Home / 11,988.02-17,985.54-6,148.70

Finding the Fourth Proportional to 11,988.02, 17,985.54 and 6,148.70

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Solution

The fourth proportional to 11,988.02, 17,985.54 and 6,148.70 is: 9,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.02 : 17,985.54 = 6,148.70 : x
  2. Step 2: Convert to fraction form
    11,988.02/17,985.54 = 6,148.70/x
  3. Step 3: Cross multiply
    11,988.02x = 17,985.54 × 6,148.70
  4. Step 4: Simplify right side
    11,988.02x = 110,587,689.80
  5. Step 5: Solve for x
    x = 110,587,689.80/11,988.02
  6. Step 6: Final answer
    x = 9,224.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.