Home / 21,236.02-31,854.47-7,726.73

Finding the Fourth Proportional to 21,236.02, 31,854.47 and 7,726.73

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Solution

The fourth proportional to 21,236.02, 31,854.47 and 7,726.73 is: 11,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236.02 : 31,854.47 = 7,726.73 : x
  2. Step 2: Convert to fraction form
    21,236.02/31,854.47 = 7,726.73/x
  3. Step 3: Cross multiply
    21,236.02x = 31,854.47 × 7,726.73
  4. Step 4: Simplify right side
    21,236.02x = 246,130,691.08
  5. Step 5: Solve for x
    x = 246,130,691.08/21,236.02
  6. Step 6: Final answer
    x = 11,590.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.