Home / 18,235.20-27,363.60-13,292.40

Finding the Fourth Proportional to 18,235.20, 27,363.60 and 13,292.40

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Solution

The fourth proportional to 18,235.20, 27,363.60 and 13,292.40 is: 19,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.20 : 27,363.60 = 13,292.40 : x
  2. Step 2: Convert to fraction form
    18,235.20/27,363.60 = 13,292.40/x
  3. Step 3: Cross multiply
    18,235.20x = 27,363.60 × 13,292.40
  4. Step 4: Simplify right side
    18,235.20x = 363,727,916.64
  5. Step 5: Solve for x
    x = 363,727,916.64/18,235.20
  6. Step 6: Final answer
    x = 19,946.47

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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.