Home / 14,356.79-21,534.01-9,076.40

Finding the Fourth Proportional to 14,356.79, 21,534.01 and 9,076.40

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Solution

The fourth proportional to 14,356.79, 21,534.01 and 9,076.40 is: 13,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.79 : 21,534.01 = 9,076.40 : x
  2. Step 2: Convert to fraction form
    14,356.79/21,534.01 = 9,076.40/x
  3. Step 3: Cross multiply
    14,356.79x = 21,534.01 × 9,076.40
  4. Step 4: Simplify right side
    14,356.79x = 195,451,209.06
  5. Step 5: Solve for x
    x = 195,451,209.06/14,356.79
  6. Step 6: Final answer
    x = 13,613.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.