Home / 9,702.21-13,378.45-6,552.93

Finding the Fourth Proportional to 9,702.21, 13,378.45 and 6,552.93

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Solution

The fourth proportional to 9,702.21, 13,378.45 and 6,552.93 is: 9,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.21 : 13,378.45 = 6,552.93 : x
  2. Step 2: Convert to fraction form
    9,702.21/13,378.45 = 6,552.93/x
  3. Step 3: Cross multiply
    9,702.21x = 13,378.45 × 6,552.93
  4. Step 4: Simplify right side
    9,702.21x = 87,668,046.36
  5. Step 5: Solve for x
    x = 87,668,046.36/9,702.21
  6. Step 6: Final answer
    x = 9,035.88

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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.