Home / 10,288.13-14,197.64-5,572.44

Finding the Fourth Proportional to 10,288.13, 14,197.64 and 5,572.44

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Solution

The fourth proportional to 10,288.13, 14,197.64 and 5,572.44 is: 7,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.13 : 14,197.64 = 5,572.44 : x
  2. Step 2: Convert to fraction form
    10,288.13/14,197.64 = 5,572.44/x
  3. Step 3: Cross multiply
    10,288.13x = 14,197.64 × 5,572.44
  4. Step 4: Simplify right side
    10,288.13x = 79,115,469.18
  5. Step 5: Solve for x
    x = 79,115,469.18/10,288.13
  6. Step 6: Final answer
    x = 7,689.98

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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.