Home / 15,538.03-21,442.37-8,464.45

Finding the Fourth Proportional to 15,538.03, 21,442.37 and 8,464.45

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Solution

The fourth proportional to 15,538.03, 21,442.37 and 8,464.45 is: 11,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.03 : 21,442.37 = 8,464.45 : x
  2. Step 2: Convert to fraction form
    15,538.03/21,442.37 = 8,464.45/x
  3. Step 3: Cross multiply
    15,538.03x = 21,442.37 × 8,464.45
  4. Step 4: Simplify right side
    15,538.03x = 181,497,826.42
  5. Step 5: Solve for x
    x = 181,497,826.42/15,538.03
  6. Step 6: Final answer
    x = 11,680.88

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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.