Home / 12,471.08-17,210.63-7,167.56

Finding the Fourth Proportional to 12,471.08, 17,210.63 and 7,167.56

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Solution

The fourth proportional to 12,471.08, 17,210.63 and 7,167.56 is: 9,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.08 : 17,210.63 = 7,167.56 : x
  2. Step 2: Convert to fraction form
    12,471.08/17,210.63 = 7,167.56/x
  3. Step 3: Cross multiply
    12,471.08x = 17,210.63 × 7,167.56
  4. Step 4: Simplify right side
    12,471.08x = 123,358,155.03
  5. Step 5: Solve for x
    x = 123,358,155.03/12,471.08
  6. Step 6: Final answer
    x = 9,891.54

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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.