Home / 10,163.48-14,024.30-5,915.90

Finding the Fourth Proportional to 10,163.48, 14,024.30 and 5,915.90

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Solution

The fourth proportional to 10,163.48, 14,024.30 and 5,915.90 is: 8,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.48 : 14,024.30 = 5,915.90 : x
  2. Step 2: Convert to fraction form
    10,163.48/14,024.30 = 5,915.90/x
  3. Step 3: Cross multiply
    10,163.48x = 14,024.30 × 5,915.90
  4. Step 4: Simplify right side
    10,163.48x = 82,966,356.37
  5. Step 5: Solve for x
    x = 82,966,356.37/10,163.48
  6. Step 6: Final answer
    x = 8,163.18

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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.