Home / 14,640.12-20,203.32-7,925.76

Finding the Fourth Proportional to 14,640.12, 20,203.32 and 7,925.76

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Solution

The fourth proportional to 14,640.12, 20,203.32 and 7,925.76 is: 10,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.12 : 20,203.32 = 7,925.76 : x
  2. Step 2: Convert to fraction form
    14,640.12/20,203.32 = 7,925.76/x
  3. Step 3: Cross multiply
    14,640.12x = 20,203.32 × 7,925.76
  4. Step 4: Simplify right side
    14,640.12x = 160,126,665.52
  5. Step 5: Solve for x
    x = 160,126,665.52/14,640.12
  6. Step 6: Final answer
    x = 10,937.52

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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.