Home / 10,947.57-15,106.78-6,167.25

Finding the Fourth Proportional to 10,947.57, 15,106.78 and 6,167.25

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Solution

The fourth proportional to 10,947.57, 15,106.78 and 6,167.25 is: 8,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.57 : 15,106.78 = 6,167.25 : x
  2. Step 2: Convert to fraction form
    10,947.57/15,106.78 = 6,167.25/x
  3. Step 3: Cross multiply
    10,947.57x = 15,106.78 × 6,167.25
  4. Step 4: Simplify right side
    10,947.57x = 93,167,296.66
  5. Step 5: Solve for x
    x = 93,167,296.66/10,947.57
  6. Step 6: Final answer
    x = 8,510.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.