Home / 10,397.07-14,349.57-6,621.86

Finding the Fourth Proportional to 10,397.07, 14,349.57 and 6,621.86

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Solution

The fourth proportional to 10,397.07, 14,349.57 and 6,621.86 is: 9,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.07 : 14,349.57 = 6,621.86 : x
  2. Step 2: Convert to fraction form
    10,397.07/14,349.57 = 6,621.86/x
  3. Step 3: Cross multiply
    10,397.07x = 14,349.57 × 6,621.86
  4. Step 4: Simplify right side
    10,397.07x = 95,020,807.73
  5. Step 5: Solve for x
    x = 95,020,807.73/10,397.07
  6. Step 6: Final answer
    x = 9,139.20

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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.