Home / 11,260.11-15,521.85-7,476.60

Finding the Fourth Proportional to 11,260.11, 15,521.85 and 7,476.60

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Solution

The fourth proportional to 11,260.11, 15,521.85 and 7,476.60 is: 10,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.11 : 15,521.85 = 7,476.60 : x
  2. Step 2: Convert to fraction form
    11,260.11/15,521.85 = 7,476.60/x
  3. Step 3: Cross multiply
    11,260.11x = 15,521.85 × 7,476.60
  4. Step 4: Simplify right side
    11,260.11x = 116,050,663.71
  5. Step 5: Solve for x
    x = 116,050,663.71/11,260.11
  6. Step 6: Final answer
    x = 10,306.35

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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.