Home / 15,534.02-21,437.19-8,460.44

Finding the Fourth Proportional to 15,534.02, 21,437.19 and 8,460.44

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Solution

The fourth proportional to 15,534.02, 21,437.19 and 8,460.44 is: 11,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.02 : 21,437.19 = 8,460.44 : x
  2. Step 2: Convert to fraction form
    15,534.02/21,437.19 = 8,460.44/x
  3. Step 3: Cross multiply
    15,534.02x = 21,437.19 × 8,460.44
  4. Step 4: Simplify right side
    15,534.02x = 181,367,952.58
  5. Step 5: Solve for x
    x = 181,367,952.58/15,534.02
  6. Step 6: Final answer
    x = 11,675.53

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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.