Home / 15,647.76-23,470.61-7,329.64

Finding the Fourth Proportional to 15,647.76, 23,470.61 and 7,329.64

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Solution

The fourth proportional to 15,647.76, 23,470.61 and 7,329.64 is: 10,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.76 : 23,470.61 = 7,329.64 : x
  2. Step 2: Convert to fraction form
    15,647.76/23,470.61 = 7,329.64/x
  3. Step 3: Cross multiply
    15,647.76x = 23,470.61 × 7,329.64
  4. Step 4: Simplify right side
    15,647.76x = 172,031,111.79
  5. Step 5: Solve for x
    x = 172,031,111.79/15,647.76
  6. Step 6: Final answer
    x = 10,993.98

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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.