Home / 19,757.76-29,636.16-6,430.74

Finding the Fourth Proportional to 19,757.76, 29,636.16 and 6,430.74

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Solution

The fourth proportional to 19,757.76, 29,636.16 and 6,430.74 is: 9,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.76 : 29,636.16 = 6,430.74 : x
  2. Step 2: Convert to fraction form
    19,757.76/29,636.16 = 6,430.74/x
  3. Step 3: Cross multiply
    19,757.76x = 29,636.16 × 6,430.74
  4. Step 4: Simplify right side
    19,757.76x = 190,582,439.56
  5. Step 5: Solve for x
    x = 190,582,439.56/19,757.76
  6. Step 6: Final answer
    x = 9,645.95

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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.