Home / 19,512.74-29,269.28-4,721.67

Finding the Fourth Proportional to 19,512.74, 29,269.28 and 4,721.67

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Solution

The fourth proportional to 19,512.74, 29,269.28 and 4,721.67 is: 7,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.74 : 29,269.28 = 4,721.67 : x
  2. Step 2: Convert to fraction form
    19,512.74/29,269.28 = 4,721.67/x
  3. Step 3: Cross multiply
    19,512.74x = 29,269.28 × 4,721.67
  4. Step 4: Simplify right side
    19,512.74x = 138,199,857.69
  5. Step 5: Solve for x
    x = 138,199,857.69/19,512.74
  6. Step 6: Final answer
    x = 7,082.55

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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.