Home / 15,408.80-23,114.28-6,644.24

Finding the Fourth Proportional to 15,408.80, 23,114.28 and 6,644.24

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Solution

The fourth proportional to 15,408.80, 23,114.28 and 6,644.24 is: 9,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.80 : 23,114.28 = 6,644.24 : x
  2. Step 2: Convert to fraction form
    15,408.80/23,114.28 = 6,644.24/x
  3. Step 3: Cross multiply
    15,408.80x = 23,114.28 × 6,644.24
  4. Step 4: Simplify right side
    15,408.80x = 153,576,823.75
  5. Step 5: Solve for x
    x = 153,576,823.75/15,408.80
  6. Step 6: Final answer
    x = 9,966.83

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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.