Home / 10,862.21-16,265.73-9,102.58

Finding the Fourth Proportional to 10,862.21, 16,265.73 and 9,102.58

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Solution

The fourth proportional to 10,862.21, 16,265.73 and 9,102.58 is: 13,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.21 : 16,265.73 = 9,102.58 : x
  2. Step 2: Convert to fraction form
    10,862.21/16,265.73 = 9,102.58/x
  3. Step 3: Cross multiply
    10,862.21x = 16,265.73 × 9,102.58
  4. Step 4: Simplify right side
    10,862.21x = 148,060,108.58
  5. Step 5: Solve for x
    x = 148,060,108.58/10,862.21
  6. Step 6: Final answer
    x = 13,630.76

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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.