Home / 22,642.02-31,245.06-12,570.90

Finding the Fourth Proportional to 22,642.02, 31,245.06 and 12,570.90

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Solution

The fourth proportional to 22,642.02, 31,245.06 and 12,570.90 is: 17,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.02 : 31,245.06 = 12,570.90 : x
  2. Step 2: Convert to fraction form
    22,642.02/31,245.06 = 12,570.90/x
  3. Step 3: Cross multiply
    22,642.02x = 31,245.06 × 12,570.90
  4. Step 4: Simplify right side
    22,642.02x = 392,778,524.75
  5. Step 5: Solve for x
    x = 392,778,524.75/22,642.02
  6. Step 6: Final answer
    x = 17,347.33

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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.