Home / 14,470.04-19,961.16-9,155.72

Finding the Fourth Proportional to 14,470.04, 19,961.16 and 9,155.72

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Solution

The fourth proportional to 14,470.04, 19,961.16 and 9,155.72 is: 12,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.04 : 19,961.16 = 9,155.72 : x
  2. Step 2: Convert to fraction form
    14,470.04/19,961.16 = 9,155.72/x
  3. Step 3: Cross multiply
    14,470.04x = 19,961.16 × 9,155.72
  4. Step 4: Simplify right side
    14,470.04x = 182,758,791.84
  5. Step 5: Solve for x
    x = 182,758,791.84/14,470.04
  6. Step 6: Final answer
    x = 12,630.15

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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.