Home / 9,864.16-13,610.56-6,280.56

Finding the Fourth Proportional to 9,864.16, 13,610.56 and 6,280.56

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Solution

The fourth proportional to 9,864.16, 13,610.56 and 6,280.56 is: 8,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.16 : 13,610.56 = 6,280.56 : x
  2. Step 2: Convert to fraction form
    9,864.16/13,610.56 = 6,280.56/x
  3. Step 3: Cross multiply
    9,864.16x = 13,610.56 × 6,280.56
  4. Step 4: Simplify right side
    9,864.16x = 85,481,938.71
  5. Step 5: Solve for x
    x = 85,481,938.71/9,864.16
  6. Step 6: Final answer
    x = 8,665.91

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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.