Home / 15,953.16-22,013.19-8,878.62

Finding the Fourth Proportional to 15,953.16, 22,013.19 and 8,878.62

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Solution

The fourth proportional to 15,953.16, 22,013.19 and 8,878.62 is: 12,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.16 : 22,013.19 = 8,878.62 : x
  2. Step 2: Convert to fraction form
    15,953.16/22,013.19 = 8,878.62/x
  3. Step 3: Cross multiply
    15,953.16x = 22,013.19 × 8,878.62
  4. Step 4: Simplify right side
    15,953.16x = 195,446,749.00
  5. Step 5: Solve for x
    x = 195,446,749.00/15,953.16
  6. Step 6: Final answer
    x = 12,251.29

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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.