Home / 15,040.64-22,561.07-6,721.04

Finding the Fourth Proportional to 15,040.64, 22,561.07 and 6,721.04

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Solution

The fourth proportional to 15,040.64, 22,561.07 and 6,721.04 is: 10,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.64 : 22,561.07 = 6,721.04 : x
  2. Step 2: Convert to fraction form
    15,040.64/22,561.07 = 6,721.04/x
  3. Step 3: Cross multiply
    15,040.64x = 22,561.07 × 6,721.04
  4. Step 4: Simplify right side
    15,040.64x = 151,633,707.50
  5. Step 5: Solve for x
    x = 151,633,707.50/15,040.64
  6. Step 6: Final answer
    x = 10,081.60

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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.