Home / 15,470.01-21,348.62-8,396.43

Finding the Fourth Proportional to 15,470.01, 21,348.62 and 8,396.43

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Solution

The fourth proportional to 15,470.01, 21,348.62 and 8,396.43 is: 11,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.01 : 21,348.62 = 8,396.43 : x
  2. Step 2: Convert to fraction form
    15,470.01/21,348.62 = 8,396.43/x
  3. Step 3: Cross multiply
    15,470.01x = 21,348.62 × 8,396.43
  4. Step 4: Simplify right side
    15,470.01x = 179,252,193.43
  5. Step 5: Solve for x
    x = 179,252,193.43/15,470.01
  6. Step 6: Final answer
    x = 11,587.08

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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.