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Finding the Fourth Proportional to 10,658.01, 15,987 and 2,866.82

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Solution

The fourth proportional to 10,658.01, 15,987 and 2,866.82 is: 4,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.01 : 15,987 = 2,866.82 : x
  2. Step 2: Convert to fraction form
    10,658.01/15,987 = 2,866.82/x
  3. Step 3: Cross multiply
    10,658.01x = 15,987 × 2,866.82
  4. Step 4: Simplify right side
    10,658.01x = 45,831,851.34
  5. Step 5: Solve for x
    x = 45,831,851.34/10,658.01
  6. Step 6: Final answer
    x = 4,300.23

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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.