Home / 10,079.67-13,897.47-6,488.55

Finding the Fourth Proportional to 10,079.67, 13,897.47 and 6,488.55

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Solution

The fourth proportional to 10,079.67, 13,897.47 and 6,488.55 is: 8,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.67 : 13,897.47 = 6,488.55 : x
  2. Step 2: Convert to fraction form
    10,079.67/13,897.47 = 6,488.55/x
  3. Step 3: Cross multiply
    10,079.67x = 13,897.47 × 6,488.55
  4. Step 4: Simplify right side
    10,079.67x = 90,174,428.97
  5. Step 5: Solve for x
    x = 90,174,428.97/10,079.67
  6. Step 6: Final answer
    x = 8,946.17

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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.