Home / 15,500.40-23,237.54-6,728.72

Finding the Fourth Proportional to 15,500.40, 23,237.54 and 6,728.72

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Solution

The fourth proportional to 15,500.40, 23,237.54 and 6,728.72 is: 10,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.40 : 23,237.54 = 6,728.72 : x
  2. Step 2: Convert to fraction form
    15,500.40/23,237.54 = 6,728.72/x
  3. Step 3: Cross multiply
    15,500.40x = 23,237.54 × 6,728.72
  4. Step 4: Simplify right side
    15,500.40x = 156,358,750.32
  5. Step 5: Solve for x
    x = 156,358,750.32/15,500.40
  6. Step 6: Final answer
    x = 10,087.40

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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.