Home / 15,381.20-23,069.88-4,992.08

Finding the Fourth Proportional to 15,381.20, 23,069.88 and 4,992.08

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Solution

The fourth proportional to 15,381.20, 23,069.88 and 4,992.08 is: 7,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.20 : 23,069.88 = 4,992.08 : x
  2. Step 2: Convert to fraction form
    15,381.20/23,069.88 = 4,992.08/x
  3. Step 3: Cross multiply
    15,381.20x = 23,069.88 × 4,992.08
  4. Step 4: Simplify right side
    15,381.20x = 115,166,686.55
  5. Step 5: Solve for x
    x = 115,166,686.55/15,381.20
  6. Step 6: Final answer
    x = 7,487.50

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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.