Home / 15,540.06-21,444.98-8,466.53

Finding the Fourth Proportional to 15,540.06, 21,444.98 and 8,466.53

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Solution

The fourth proportional to 15,540.06, 21,444.98 and 8,466.53 is: 11,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.06 : 21,444.98 = 8,466.53 : x
  2. Step 2: Convert to fraction form
    15,540.06/21,444.98 = 8,466.53/x
  3. Step 3: Cross multiply
    15,540.06x = 21,444.98 × 8,466.53
  4. Step 4: Simplify right side
    15,540.06x = 181,564,577.80
  5. Step 5: Solve for x
    x = 181,564,577.80/15,540.06
  6. Step 6: Final answer
    x = 11,683.65

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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.