Home / 10,010.48-13,810.20-6,472.40

Finding the Fourth Proportional to 10,010.48, 13,810.20 and 6,472.40

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Solution

The fourth proportional to 10,010.48, 13,810.20 and 6,472.40 is: 8,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.48 : 13,810.20 = 6,472.40 : x
  2. Step 2: Convert to fraction form
    10,010.48/13,810.20 = 6,472.40/x
  3. Step 3: Cross multiply
    10,010.48x = 13,810.20 × 6,472.40
  4. Step 4: Simplify right side
    10,010.48x = 89,385,138.48
  5. Step 5: Solve for x
    x = 89,385,138.48/10,010.48
  6. Step 6: Final answer
    x = 8,929.16

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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.