Home / 9,307.28-13,960.96-4,113.20

Finding the Fourth Proportional to 9,307.28, 13,960.96 and 4,113.20

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Solution

The fourth proportional to 9,307.28, 13,960.96 and 4,113.20 is: 6,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.28 : 13,960.96 = 4,113.20 : x
  2. Step 2: Convert to fraction form
    9,307.28/13,960.96 = 4,113.20/x
  3. Step 3: Cross multiply
    9,307.28x = 13,960.96 × 4,113.20
  4. Step 4: Simplify right side
    9,307.28x = 57,424,220.67
  5. Step 5: Solve for x
    x = 57,424,220.67/9,307.28
  6. Step 6: Final answer
    x = 6,169.82

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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.