Home / 15,446.77-21,316.62-8,373.13

Finding the Fourth Proportional to 15,446.77, 21,316.62 and 8,373.13

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Solution

The fourth proportional to 15,446.77, 21,316.62 and 8,373.13 is: 11,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.77 : 21,316.62 = 8,373.13 : x
  2. Step 2: Convert to fraction form
    15,446.77/21,316.62 = 8,373.13/x
  3. Step 3: Cross multiply
    15,446.77x = 21,316.62 × 8,373.13
  4. Step 4: Simplify right side
    15,446.77x = 178,486,830.42
  5. Step 5: Solve for x
    x = 178,486,830.42/15,446.77
  6. Step 6: Final answer
    x = 11,554.96

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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.