Home / 15,948.18-22,009.16-8,874.45

Finding the Fourth Proportional to 15,948.18, 22,009.16 and 8,874.45

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Solution

The fourth proportional to 15,948.18, 22,009.16 and 8,874.45 is: 12,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.18 : 22,009.16 = 8,874.45 : x
  2. Step 2: Convert to fraction form
    15,948.18/22,009.16 = 8,874.45/x
  3. Step 3: Cross multiply
    15,948.18x = 22,009.16 × 8,874.45
  4. Step 4: Simplify right side
    15,948.18x = 195,319,189.96
  5. Step 5: Solve for x
    x = 195,319,189.96/15,948.18
  6. Step 6: Final answer
    x = 12,247.11

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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.