Home / 14,456.10-19,952.75-9,411.54

Finding the Fourth Proportional to 14,456.10, 19,952.75 and 9,411.54

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Solution

The fourth proportional to 14,456.10, 19,952.75 and 9,411.54 is: 12,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.10 : 19,952.75 = 9,411.54 : x
  2. Step 2: Convert to fraction form
    14,456.10/19,952.75 = 9,411.54/x
  3. Step 3: Cross multiply
    14,456.10x = 19,952.75 × 9,411.54
  4. Step 4: Simplify right side
    14,456.10x = 187,786,104.74
  5. Step 5: Solve for x
    x = 187,786,104.74/14,456.10
  6. Step 6: Final answer
    x = 12,990.10

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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.