Home / 15,540.46-21,445.56-8,466.93

Finding the Fourth Proportional to 15,540.46, 21,445.56 and 8,466.93

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Solution

The fourth proportional to 15,540.46, 21,445.56 and 8,466.93 is: 11,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.46 : 21,445.56 = 8,466.93 : x
  2. Step 2: Convert to fraction form
    15,540.46/21,445.56 = 8,466.93/x
  3. Step 3: Cross multiply
    15,540.46x = 21,445.56 × 8,466.93
  4. Step 4: Simplify right side
    15,540.46x = 181,578,055.33
  5. Step 5: Solve for x
    x = 181,578,055.33/15,540.46
  6. Step 6: Final answer
    x = 11,684.22

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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.