Home / 10,938.28-15,094.50-6,223.24

Finding the Fourth Proportional to 10,938.28, 15,094.50 and 6,223.24

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Solution

The fourth proportional to 10,938.28, 15,094.50 and 6,223.24 is: 8,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.28 : 15,094.50 = 6,223.24 : x
  2. Step 2: Convert to fraction form
    10,938.28/15,094.50 = 6,223.24/x
  3. Step 3: Cross multiply
    10,938.28x = 15,094.50 × 6,223.24
  4. Step 4: Simplify right side
    10,938.28x = 93,936,696.18
  5. Step 5: Solve for x
    x = 93,936,696.18/10,938.28
  6. Step 6: Final answer
    x = 8,587.89

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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.