Home / 10,382.02-15,568.60-3,966.40

Finding the Fourth Proportional to 10,382.02, 15,568.60 and 3,966.40

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Solution

The fourth proportional to 10,382.02, 15,568.60 and 3,966.40 is: 5,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.02 : 15,568.60 = 3,966.40 : x
  2. Step 2: Convert to fraction form
    10,382.02/15,568.60 = 3,966.40/x
  3. Step 3: Cross multiply
    10,382.02x = 15,568.60 × 3,966.40
  4. Step 4: Simplify right side
    10,382.02x = 61,751,295.04
  5. Step 5: Solve for x
    x = 61,751,295.04/10,382.02
  6. Step 6: Final answer
    x = 5,947.91

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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.