Home / 15,446.52-21,316.29-8,732.80

Finding the Fourth Proportional to 15,446.52, 21,316.29 and 8,732.80

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Solution

The fourth proportional to 15,446.52, 21,316.29 and 8,732.80 is: 12,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.52 : 21,316.29 = 8,732.80 : x
  2. Step 2: Convert to fraction form
    15,446.52/21,316.29 = 8,732.80/x
  3. Step 3: Cross multiply
    15,446.52x = 21,316.29 × 8,732.80
  4. Step 4: Simplify right side
    15,446.52x = 186,150,897.31
  5. Step 5: Solve for x
    x = 186,150,897.31/15,446.52
  6. Step 6: Final answer
    x = 12,051.32

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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.