Home / 16,750.24-23,115.60-9,677.28

Finding the Fourth Proportional to 16,750.24, 23,115.60 and 9,677.28

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Solution

The fourth proportional to 16,750.24, 23,115.60 and 9,677.28 is: 13,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.24 : 23,115.60 = 9,677.28 : x
  2. Step 2: Convert to fraction form
    16,750.24/23,115.60 = 9,677.28/x
  3. Step 3: Cross multiply
    16,750.24x = 23,115.60 × 9,677.28
  4. Step 4: Simplify right side
    16,750.24x = 223,696,133.57
  5. Step 5: Solve for x
    x = 223,696,133.57/16,750.24
  6. Step 6: Final answer
    x = 13,354.80

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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.