Home / 15,985.50-22,061.19-9,271.07

Finding the Fourth Proportional to 15,985.50, 22,061.19 and 9,271.07

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Solution

The fourth proportional to 15,985.50, 22,061.19 and 9,271.07 is: 12,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.50 : 22,061.19 = 9,271.07 : x
  2. Step 2: Convert to fraction form
    15,985.50/22,061.19 = 9,271.07/x
  3. Step 3: Cross multiply
    15,985.50x = 22,061.19 × 9,271.07
  4. Step 4: Simplify right side
    15,985.50x = 204,530,726.47
  5. Step 5: Solve for x
    x = 204,530,726.47/15,985.50
  6. Step 6: Final answer
    x = 12,794.77

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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.