Home / 15,051.20-22,577.76-5,191.36

Finding the Fourth Proportional to 15,051.20, 22,577.76 and 5,191.36

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Solution

The fourth proportional to 15,051.20, 22,577.76 and 5,191.36 is: 7,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.20 : 22,577.76 = 5,191.36 : x
  2. Step 2: Convert to fraction form
    15,051.20/22,577.76 = 5,191.36/x
  3. Step 3: Cross multiply
    15,051.20x = 22,577.76 × 5,191.36
  4. Step 4: Simplify right side
    15,051.20x = 117,209,280.15
  5. Step 5: Solve for x
    x = 117,209,280.15/15,051.20
  6. Step 6: Final answer
    x = 7,787.37

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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.