Home / 18,432.18-25,426.71-12,465.86

Finding the Fourth Proportional to 18,432.18, 25,426.71 and 12,465.86

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Solution

The fourth proportional to 18,432.18, 25,426.71 and 12,465.86 is: 17,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.18 : 25,426.71 = 12,465.86 : x
  2. Step 2: Convert to fraction form
    18,432.18/25,426.71 = 12,465.86/x
  3. Step 3: Cross multiply
    18,432.18x = 25,426.71 × 12,465.86
  4. Step 4: Simplify right side
    18,432.18x = 316,965,679.99
  5. Step 5: Solve for x
    x = 316,965,679.99/18,432.18
  6. Step 6: Final answer
    x = 17,196.32

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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.