Home / 15,140.60-22,683.90-7,332.20

Finding the Fourth Proportional to 15,140.60, 22,683.90 and 7,332.20

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Solution

The fourth proportional to 15,140.60, 22,683.90 and 7,332.20 is: 10,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.60 : 22,683.90 = 7,332.20 : x
  2. Step 2: Convert to fraction form
    15,140.60/22,683.90 = 7,332.20/x
  3. Step 3: Cross multiply
    15,140.60x = 22,683.90 × 7,332.20
  4. Step 4: Simplify right side
    15,140.60x = 166,322,891.58
  5. Step 5: Solve for x
    x = 166,322,891.58/15,140.60
  6. Step 6: Final answer
    x = 10,985.22

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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.