Home / 15,581.70-21,502.56-9,610.98

Finding the Fourth Proportional to 15,581.70, 21,502.56 and 9,610.98

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Solution

The fourth proportional to 15,581.70, 21,502.56 and 9,610.98 is: 13,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.70 : 21,502.56 = 9,610.98 : x
  2. Step 2: Convert to fraction form
    15,581.70/21,502.56 = 9,610.98/x
  3. Step 3: Cross multiply
    15,581.70x = 21,502.56 × 9,610.98
  4. Step 4: Simplify right side
    15,581.70x = 206,660,674.11
  5. Step 5: Solve for x
    x = 206,660,674.11/15,581.70
  6. Step 6: Final answer
    x = 13,263.04

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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.