Home / 9,315.47-13,972.99-4,382.37

Finding the Fourth Proportional to 9,315.47, 13,972.99 and 4,382.37

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Solution

The fourth proportional to 9,315.47, 13,972.99 and 4,382.37 is: 6,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.47 : 13,972.99 = 4,382.37 : x
  2. Step 2: Convert to fraction form
    9,315.47/13,972.99 = 4,382.37/x
  3. Step 3: Cross multiply
    9,315.47x = 13,972.99 × 4,382.37
  4. Step 4: Simplify right side
    9,315.47x = 61,234,812.19
  5. Step 5: Solve for x
    x = 61,234,812.19/9,315.47
  6. Step 6: Final answer
    x = 6,573.45

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Similar ratio
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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.