Home / 14,640.10-20,203.32-7,925.72

Finding the Fourth Proportional to 14,640.10, 20,203.32 and 7,925.72

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Solution

The fourth proportional to 14,640.10, 20,203.32 and 7,925.72 is: 10,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.10 : 20,203.32 = 7,925.72 : x
  2. Step 2: Convert to fraction form
    14,640.10/20,203.32 = 7,925.72/x
  3. Step 3: Cross multiply
    14,640.10x = 20,203.32 × 7,925.72
  4. Step 4: Simplify right side
    14,640.10x = 160,125,899.74
  5. Step 5: Solve for x
    x = 160,125,899.74/14,640.10
  6. Step 6: Final answer
    x = 10,937.49

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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.