Home / 15,129.40-22,704.90-8,548.60

Finding the Fourth Proportional to 15,129.40, 22,704.90 and 8,548.60

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Solution

The fourth proportional to 15,129.40, 22,704.90 and 8,548.60 is: 12,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.40 : 22,704.90 = 8,548.60 : x
  2. Step 2: Convert to fraction form
    15,129.40/22,704.90 = 8,548.60/x
  3. Step 3: Cross multiply
    15,129.40x = 22,704.90 × 8,548.60
  4. Step 4: Simplify right side
    15,129.40x = 194,095,108.14
  5. Step 5: Solve for x
    x = 194,095,108.14/15,129.40
  6. Step 6: Final answer
    x = 12,829.00

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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.