Home / 10,167.80-14,030.87-5,691.51

Finding the Fourth Proportional to 10,167.80, 14,030.87 and 5,691.51

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Solution

The fourth proportional to 10,167.80, 14,030.87 and 5,691.51 is: 7,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.80 : 14,030.87 = 5,691.51 : x
  2. Step 2: Convert to fraction form
    10,167.80/14,030.87 = 5,691.51/x
  3. Step 3: Cross multiply
    10,167.80x = 14,030.87 × 5,691.51
  4. Step 4: Simplify right side
    10,167.80x = 79,856,808.46
  5. Step 5: Solve for x
    x = 79,856,808.46/10,167.80
  6. Step 6: Final answer
    x = 7,853.90

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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.