Home / 15,103.40-22,657.80-6,339.20

Finding the Fourth Proportional to 15,103.40, 22,657.80 and 6,339.20

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Solution

The fourth proportional to 15,103.40, 22,657.80 and 6,339.20 is: 9,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.40 : 22,657.80 = 6,339.20 : x
  2. Step 2: Convert to fraction form
    15,103.40/22,657.80 = 6,339.20/x
  3. Step 3: Cross multiply
    15,103.40x = 22,657.80 × 6,339.20
  4. Step 4: Simplify right side
    15,103.40x = 143,632,325.76
  5. Step 5: Solve for x
    x = 143,632,325.76/15,103.40
  6. Step 6: Final answer
    x = 9,509.93

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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.