Home / 10,985.06-15,159.38-5,949.29

Finding the Fourth Proportional to 10,985.06, 15,159.38 and 5,949.29

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Solution

The fourth proportional to 10,985.06, 15,159.38 and 5,949.29 is: 8,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.06 : 15,159.38 = 5,949.29 : x
  2. Step 2: Convert to fraction form
    10,985.06/15,159.38 = 5,949.29/x
  3. Step 3: Cross multiply
    10,985.06x = 15,159.38 × 5,949.29
  4. Step 4: Simplify right side
    10,985.06x = 90,187,555.99
  5. Step 5: Solve for x
    x = 90,187,555.99/10,985.06
  6. Step 6: Final answer
    x = 8,210.02

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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.