Home / 15,109.87-22,655.63-5,750.52

Finding the Fourth Proportional to 15,109.87, 22,655.63 and 5,750.52

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Solution

The fourth proportional to 15,109.87, 22,655.63 and 5,750.52 is: 8,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.87 : 22,655.63 = 5,750.52 : x
  2. Step 2: Convert to fraction form
    15,109.87/22,655.63 = 5,750.52/x
  3. Step 3: Cross multiply
    15,109.87x = 22,655.63 × 5,750.52
  4. Step 4: Simplify right side
    15,109.87x = 130,281,667.80
  5. Step 5: Solve for x
    x = 130,281,667.80/15,109.87
  6. Step 6: Final answer
    x = 8,622.29

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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.