Home / 9,521.32-13,140.18-7,014.88

Finding the Fourth Proportional to 9,521.32, 13,140.18 and 7,014.88

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Solution

The fourth proportional to 9,521.32, 13,140.18 and 7,014.88 is: 9,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.32 : 13,140.18 = 7,014.88 : x
  2. Step 2: Convert to fraction form
    9,521.32/13,140.18 = 7,014.88/x
  3. Step 3: Cross multiply
    9,521.32x = 13,140.18 × 7,014.88
  4. Step 4: Simplify right side
    9,521.32x = 92,176,785.88
  5. Step 5: Solve for x
    x = 92,176,785.88/9,521.32
  6. Step 6: Final answer
    x = 9,681.09

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.