Home / 16,045.16-22,143.33-8,971.61

Finding the Fourth Proportional to 16,045.16, 22,143.33 and 8,971.61

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Solution

The fourth proportional to 16,045.16, 22,143.33 and 8,971.61 is: 12,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,045.16 : 22,143.33 = 8,971.61 : x
  2. Step 2: Convert to fraction form
    16,045.16/22,143.33 = 8,971.61/x
  3. Step 3: Cross multiply
    16,045.16x = 22,143.33 × 8,971.61
  4. Step 4: Simplify right side
    16,045.16x = 198,661,210.14
  5. Step 5: Solve for x
    x = 198,661,210.14/16,045.16
  6. Step 6: Final answer
    x = 12,381.38

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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.