Home / 10,646.74-15,970.17-2,748.71

Finding the Fourth Proportional to 10,646.74, 15,970.17 and 2,748.71

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Solution

The fourth proportional to 10,646.74, 15,970.17 and 2,748.71 is: 4,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.74 : 15,970.17 = 2,748.71 : x
  2. Step 2: Convert to fraction form
    10,646.74/15,970.17 = 2,748.71/x
  3. Step 3: Cross multiply
    10,646.74x = 15,970.17 × 2,748.71
  4. Step 4: Simplify right side
    10,646.74x = 43,897,434.13
  5. Step 5: Solve for x
    x = 43,897,434.13/10,646.74
  6. Step 6: Final answer
    x = 4,123.09

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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.