Home / 9,378.70-14,061.08-5,680.06

Finding the Fourth Proportional to 9,378.70, 14,061.08 and 5,680.06

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Solution

The fourth proportional to 9,378.70, 14,061.08 and 5,680.06 is: 8,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.70 : 14,061.08 = 5,680.06 : x
  2. Step 2: Convert to fraction form
    9,378.70/14,061.08 = 5,680.06/x
  3. Step 3: Cross multiply
    9,378.70x = 14,061.08 × 5,680.06
  4. Step 4: Simplify right side
    9,378.70x = 79,867,778.06
  5. Step 5: Solve for x
    x = 79,867,778.06/9,378.70
  6. Step 6: Final answer
    x = 8,515.87

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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.