Home / 15,723.72-21,701.52-9,436.50

Finding the Fourth Proportional to 15,723.72, 21,701.52 and 9,436.50

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Solution

The fourth proportional to 15,723.72, 21,701.52 and 9,436.50 is: 13,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.72 : 21,701.52 = 9,436.50 : x
  2. Step 2: Convert to fraction form
    15,723.72/21,701.52 = 9,436.50/x
  3. Step 3: Cross multiply
    15,723.72x = 21,701.52 × 9,436.50
  4. Step 4: Simplify right side
    15,723.72x = 204,786,393.48
  5. Step 5: Solve for x
    x = 204,786,393.48/15,723.72
  6. Step 6: Final answer
    x = 13,024.04

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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.