Home / 16,140.60-22,274.64-9,425.16

Finding the Fourth Proportional to 16,140.60, 22,274.64 and 9,425.16

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Solution

The fourth proportional to 16,140.60, 22,274.64 and 9,425.16 is: 13,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.60 : 22,274.64 = 9,425.16 : x
  2. Step 2: Convert to fraction form
    16,140.60/22,274.64 = 9,425.16/x
  3. Step 3: Cross multiply
    16,140.60x = 22,274.64 × 9,425.16
  4. Step 4: Simplify right side
    16,140.60x = 209,942,045.94
  5. Step 5: Solve for x
    x = 209,942,045.94/16,140.60
  6. Step 6: Final answer
    x = 13,007.08

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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.