Home / 18,159.12-25,059.38-10,502.19

Finding the Fourth Proportional to 18,159.12, 25,059.38 and 10,502.19

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Solution

The fourth proportional to 18,159.12, 25,059.38 and 10,502.19 is: 14,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.12 : 25,059.38 = 10,502.19 : x
  2. Step 2: Convert to fraction form
    18,159.12/25,059.38 = 10,502.19/x
  3. Step 3: Cross multiply
    18,159.12x = 25,059.38 × 10,502.19
  4. Step 4: Simplify right side
    18,159.12x = 263,178,317.53
  5. Step 5: Solve for x
    x = 263,178,317.53/18,159.12
  6. Step 6: Final answer
    x = 14,492.90

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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.