Home / 15,818.82-23,718.48-6,451.20

Finding the Fourth Proportional to 15,818.82, 23,718.48 and 6,451.20

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Solution

The fourth proportional to 15,818.82, 23,718.48 and 6,451.20 is: 9,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.82 : 23,718.48 = 6,451.20 : x
  2. Step 2: Convert to fraction form
    15,818.82/23,718.48 = 6,451.20/x
  3. Step 3: Cross multiply
    15,818.82x = 23,718.48 × 6,451.20
  4. Step 4: Simplify right side
    15,818.82x = 153,012,658.18
  5. Step 5: Solve for x
    x = 153,012,658.18/15,818.82
  6. Step 6: Final answer
    x = 9,672.82

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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.