Home / 10,986.98-15,159.40-6,207.02

Finding the Fourth Proportional to 10,986.98, 15,159.40 and 6,207.02

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Solution

The fourth proportional to 10,986.98, 15,159.40 and 6,207.02 is: 8,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.98 : 15,159.40 = 6,207.02 : x
  2. Step 2: Convert to fraction form
    10,986.98/15,159.40 = 6,207.02/x
  3. Step 3: Cross multiply
    10,986.98x = 15,159.40 × 6,207.02
  4. Step 4: Simplify right side
    10,986.98x = 94,094,698.99
  5. Step 5: Solve for x
    x = 94,094,698.99/10,986.98
  6. Step 6: Final answer
    x = 8,564.20

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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.