Home / 10,988.85-15,164.53-6,273.12

Finding the Fourth Proportional to 10,988.85, 15,164.53 and 6,273.12

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Solution

The fourth proportional to 10,988.85, 15,164.53 and 6,273.12 is: 8,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.85 : 15,164.53 = 6,273.12 : x
  2. Step 2: Convert to fraction form
    10,988.85/15,164.53 = 6,273.12/x
  3. Step 3: Cross multiply
    10,988.85x = 15,164.53 × 6,273.12
  4. Step 4: Simplify right side
    10,988.85x = 95,128,916.43
  5. Step 5: Solve for x
    x = 95,128,916.43/10,988.85
  6. Step 6: Final answer
    x = 8,656.86

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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.