Home / 9,685.57-14,526.46-2,663.78

Finding the Fourth Proportional to 9,685.57, 14,526.46 and 2,663.78

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Solution

The fourth proportional to 9,685.57, 14,526.46 and 2,663.78 is: 3,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.57 : 14,526.46 = 2,663.78 : x
  2. Step 2: Convert to fraction form
    9,685.57/14,526.46 = 2,663.78/x
  3. Step 3: Cross multiply
    9,685.57x = 14,526.46 × 2,663.78
  4. Step 4: Simplify right side
    9,685.57x = 38,695,293.62
  5. Step 5: Solve for x
    x = 38,695,293.62/9,685.57
  6. Step 6: Final answer
    x = 3,995.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.