Home / 15,752.43-21,739.26-9,038.00

Finding the Fourth Proportional to 15,752.43, 21,739.26 and 9,038.00

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Solution

The fourth proportional to 15,752.43, 21,739.26 and 9,038.00 is: 12,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.43 : 21,739.26 = 9,038.00 : x
  2. Step 2: Convert to fraction form
    15,752.43/21,739.26 = 9,038.00/x
  3. Step 3: Cross multiply
    15,752.43x = 21,739.26 × 9,038.00
  4. Step 4: Simplify right side
    15,752.43x = 196,479,323.18
  5. Step 5: Solve for x
    x = 196,479,323.18/15,752.43
  6. Step 6: Final answer
    x = 12,472.95

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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.