Home / 9,720.93-14,581.85-3,147.63

Finding the Fourth Proportional to 9,720.93, 14,581.85 and 3,147.63

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Solution

The fourth proportional to 9,720.93, 14,581.85 and 3,147.63 is: 4,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.93 : 14,581.85 = 3,147.63 : x
  2. Step 2: Convert to fraction form
    9,720.93/14,581.85 = 3,147.63/x
  3. Step 3: Cross multiply
    9,720.93x = 14,581.85 × 3,147.63
  4. Step 4: Simplify right side
    9,720.93x = 45,898,252.78
  5. Step 5: Solve for x
    x = 45,898,252.78/9,720.93
  6. Step 6: Final answer
    x = 4,721.59

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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.