Home / 23,318.40-32,172.16-13,246.40

Finding the Fourth Proportional to 23,318.40, 32,172.16 and 13,246.40

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Solution

The fourth proportional to 23,318.40, 32,172.16 and 13,246.40 is: 18,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.40 : 32,172.16 = 13,246.40 : x
  2. Step 2: Convert to fraction form
    23,318.40/32,172.16 = 13,246.40/x
  3. Step 3: Cross multiply
    23,318.40x = 32,172.16 × 13,246.40
  4. Step 4: Simplify right side
    23,318.40x = 426,165,300.22
  5. Step 5: Solve for x
    x = 426,165,300.22/23,318.40
  6. Step 6: Final answer
    x = 18,275.92

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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.