Home / 13,233.60-19,753.20-12,358.08

Finding the Fourth Proportional to 13,233.60, 19,753.20 and 12,358.08

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Solution

The fourth proportional to 13,233.60, 19,753.20 and 12,358.08 is: 18,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.60 : 19,753.20 = 12,358.08 : x
  2. Step 2: Convert to fraction form
    13,233.60/19,753.20 = 12,358.08/x
  3. Step 3: Cross multiply
    13,233.60x = 19,753.20 × 12,358.08
  4. Step 4: Simplify right side
    13,233.60x = 244,111,625.86
  5. Step 5: Solve for x
    x = 244,111,625.86/13,233.60
  6. Step 6: Final answer
    x = 18,446.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.