Home / 15,487.61-23,231.03-4,394.31

Finding the Fourth Proportional to 15,487.61, 23,231.03 and 4,394.31

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Solution

The fourth proportional to 15,487.61, 23,231.03 and 4,394.31 is: 6,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.61 : 23,231.03 = 4,394.31 : x
  2. Step 2: Convert to fraction form
    15,487.61/23,231.03 = 4,394.31/x
  3. Step 3: Cross multiply
    15,487.61x = 23,231.03 × 4,394.31
  4. Step 4: Simplify right side
    15,487.61x = 102,084,416.50
  5. Step 5: Solve for x
    x = 102,084,416.50/15,487.61
  6. Step 6: Final answer
    x = 6,591.36

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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.