Home / 15,350.40-22,988.61-8,756.60

Finding the Fourth Proportional to 15,350.40, 22,988.61 and 8,756.60

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Solution

The fourth proportional to 15,350.40, 22,988.61 and 8,756.60 is: 13,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.40 : 22,988.61 = 8,756.60 : x
  2. Step 2: Convert to fraction form
    15,350.40/22,988.61 = 8,756.60/x
  3. Step 3: Cross multiply
    15,350.40x = 22,988.61 × 8,756.60
  4. Step 4: Simplify right side
    15,350.40x = 201,301,947.38
  5. Step 5: Solve for x
    x = 201,301,947.38/15,350.40
  6. Step 6: Final answer
    x = 13,113.79

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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.