Home / 10,985.26-15,159.88-6,206.18

Finding the Fourth Proportional to 10,985.26, 15,159.88 and 6,206.18

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Solution

The fourth proportional to 10,985.26, 15,159.88 and 6,206.18 is: 8,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.26 : 15,159.88 = 6,206.18 : x
  2. Step 2: Convert to fraction form
    10,985.26/15,159.88 = 6,206.18/x
  3. Step 3: Cross multiply
    10,985.26x = 15,159.88 × 6,206.18
  4. Step 4: Simplify right side
    10,985.26x = 94,084,944.06
  5. Step 5: Solve for x
    x = 94,084,944.06/10,985.26
  6. Step 6: Final answer
    x = 8,564.65

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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.