Home / 15,041.72-22,570.79-6,721.40

Finding the Fourth Proportional to 15,041.72, 22,570.79 and 6,721.40

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Solution

The fourth proportional to 15,041.72, 22,570.79 and 6,721.40 is: 10,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.72 : 22,570.79 = 6,721.40 : x
  2. Step 2: Convert to fraction form
    15,041.72/22,570.79 = 6,721.40/x
  3. Step 3: Cross multiply
    15,041.72x = 22,570.79 × 6,721.40
  4. Step 4: Simplify right side
    15,041.72x = 151,707,330.73
  5. Step 5: Solve for x
    x = 151,707,330.73/15,041.72
  6. Step 6: Final answer
    x = 10,085.77

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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.