Home / 9,581.78-14,373.38-2,561.63

Finding the Fourth Proportional to 9,581.78, 14,373.38 and 2,561.63

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Solution

The fourth proportional to 9,581.78, 14,373.38 and 2,561.63 is: 3,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.78 : 14,373.38 = 2,561.63 : x
  2. Step 2: Convert to fraction form
    9,581.78/14,373.38 = 2,561.63/x
  3. Step 3: Cross multiply
    9,581.78x = 14,373.38 × 2,561.63
  4. Step 4: Simplify right side
    9,581.78x = 36,819,281.41
  5. Step 5: Solve for x
    x = 36,819,281.41/9,581.78
  6. Step 6: Final answer
    x = 3,842.63

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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.