Home / 15,999.02-22,078.67-8,925.29

Finding the Fourth Proportional to 15,999.02, 22,078.67 and 8,925.29

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Solution

The fourth proportional to 15,999.02, 22,078.67 and 8,925.29 is: 12,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.02 : 22,078.67 = 8,925.29 : x
  2. Step 2: Convert to fraction form
    15,999.02/22,078.67 = 8,925.29/x
  3. Step 3: Cross multiply
    15,999.02x = 22,078.67 × 8,925.29
  4. Step 4: Simplify right side
    15,999.02x = 197,058,377.54
  5. Step 5: Solve for x
    x = 197,058,377.54/15,999.02
  6. Step 6: Final answer
    x = 12,316.91

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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.