Home / 9,315.34-13,972.81-4,382.25

Finding the Fourth Proportional to 9,315.34, 13,972.81 and 4,382.25

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Solution

The fourth proportional to 9,315.34, 13,972.81 and 4,382.25 is: 6,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.34 : 13,972.81 = 4,382.25 : x
  2. Step 2: Convert to fraction form
    9,315.34/13,972.81 = 4,382.25/x
  3. Step 3: Cross multiply
    9,315.34x = 13,972.81 × 4,382.25
  4. Step 4: Simplify right side
    9,315.34x = 61,232,265.80
  5. Step 5: Solve for x
    x = 61,232,265.80/9,315.34
  6. Step 6: Final answer
    x = 6,573.27

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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.