Home / 13,376.92-20,068.08-9,218.92

Finding the Fourth Proportional to 13,376.92, 20,068.08 and 9,218.92

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Solution

The fourth proportional to 13,376.92, 20,068.08 and 9,218.92 is: 13,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.92 : 20,068.08 = 9,218.92 : x
  2. Step 2: Convert to fraction form
    13,376.92/20,068.08 = 9,218.92/x
  3. Step 3: Cross multiply
    13,376.92x = 20,068.08 × 9,218.92
  4. Step 4: Simplify right side
    13,376.92x = 185,006,024.07
  5. Step 5: Solve for x
    x = 185,006,024.07/13,376.92
  6. Step 6: Final answer
    x = 13,830.24

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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.