Home / 14,086.02-21,113.82-9,159.18

Finding the Fourth Proportional to 14,086.02, 21,113.82 and 9,159.18

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Solution

The fourth proportional to 14,086.02, 21,113.82 and 9,159.18 is: 13,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.02 : 21,113.82 = 9,159.18 : x
  2. Step 2: Convert to fraction form
    14,086.02/21,113.82 = 9,159.18/x
  3. Step 3: Cross multiply
    14,086.02x = 21,113.82 × 9,159.18
  4. Step 4: Simplify right side
    14,086.02x = 193,385,277.87
  5. Step 5: Solve for x
    x = 193,385,277.87/14,086.02
  6. Step 6: Final answer
    x = 13,728.88

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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.