Home / 15,442.02-21,309.66-8,726.76

Finding the Fourth Proportional to 15,442.02, 21,309.66 and 8,726.76

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Solution

The fourth proportional to 15,442.02, 21,309.66 and 8,726.76 is: 12,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.02 : 21,309.66 = 8,726.76 : x
  2. Step 2: Convert to fraction form
    15,442.02/21,309.66 = 8,726.76/x
  3. Step 3: Cross multiply
    15,442.02x = 21,309.66 × 8,726.76
  4. Step 4: Simplify right side
    15,442.02x = 185,964,288.50
  5. Step 5: Solve for x
    x = 185,964,288.50/15,442.02
  6. Step 6: Final answer
    x = 12,042.74

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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.