Home / 15,437.83-21,304.22-8,364.24

Finding the Fourth Proportional to 15,437.83, 21,304.22 and 8,364.24

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Solution

The fourth proportional to 15,437.83, 21,304.22 and 8,364.24 is: 11,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.83 : 21,304.22 = 8,364.24 : x
  2. Step 2: Convert to fraction form
    15,437.83/21,304.22 = 8,364.24/x
  3. Step 3: Cross multiply
    15,437.83x = 21,304.22 × 8,364.24
  4. Step 4: Simplify right side
    15,437.83x = 178,193,625.27
  5. Step 5: Solve for x
    x = 178,193,625.27/15,437.83
  6. Step 6: Final answer
    x = 11,542.66

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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.