Home / 15,427.21-23,149.04-6,543.89

Finding the Fourth Proportional to 15,427.21, 23,149.04 and 6,543.89

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Solution

The fourth proportional to 15,427.21, 23,149.04 and 6,543.89 is: 9,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.21 : 23,149.04 = 6,543.89 : x
  2. Step 2: Convert to fraction form
    15,427.21/23,149.04 = 6,543.89/x
  3. Step 3: Cross multiply
    15,427.21x = 23,149.04 × 6,543.89
  4. Step 4: Simplify right side
    15,427.21x = 151,484,746.52
  5. Step 5: Solve for x
    x = 151,484,746.52/15,427.21
  6. Step 6: Final answer
    x = 9,819.32

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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.