Home / 9,315.20-13,966.14-4,382.30

Finding the Fourth Proportional to 9,315.20, 13,966.14 and 4,382.30

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Solution

The fourth proportional to 9,315.20, 13,966.14 and 4,382.30 is: 6,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.20 : 13,966.14 = 4,382.30 : x
  2. Step 2: Convert to fraction form
    9,315.20/13,966.14 = 4,382.30/x
  3. Step 3: Cross multiply
    9,315.20x = 13,966.14 × 4,382.30
  4. Step 4: Simplify right side
    9,315.20x = 61,203,815.32
  5. Step 5: Solve for x
    x = 61,203,815.32/9,315.20
  6. Step 6: Final answer
    x = 6,570.32

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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.