Home / 15,368.91-21,207.33-8,654.37

Finding the Fourth Proportional to 15,368.91, 21,207.33 and 8,654.37

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Solution

The fourth proportional to 15,368.91, 21,207.33 and 8,654.37 is: 11,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.91 : 21,207.33 = 8,654.37 : x
  2. Step 2: Convert to fraction form
    15,368.91/21,207.33 = 8,654.37/x
  3. Step 3: Cross multiply
    15,368.91x = 21,207.33 × 8,654.37
  4. Step 4: Simplify right side
    15,368.91x = 183,536,080.53
  5. Step 5: Solve for x
    x = 183,536,080.53/15,368.91
  6. Step 6: Final answer
    x = 11,942.04

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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.