Home / 14,717.54-20,309.78-8,344.74

Finding the Fourth Proportional to 14,717.54, 20,309.78 and 8,344.74

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Solution

The fourth proportional to 14,717.54, 20,309.78 and 8,344.74 is: 11,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.54 : 20,309.78 = 8,344.74 : x
  2. Step 2: Convert to fraction form
    14,717.54/20,309.78 = 8,344.74/x
  3. Step 3: Cross multiply
    14,717.54x = 20,309.78 × 8,344.74
  4. Step 4: Simplify right side
    14,717.54x = 169,479,769.40
  5. Step 5: Solve for x
    x = 169,479,769.40/14,717.54
  6. Step 6: Final answer
    x = 11,515.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.