Home / 11,193.04-15,445.83-6,715.90

Finding the Fourth Proportional to 11,193.04, 15,445.83 and 6,715.90

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Solution

The fourth proportional to 11,193.04, 15,445.83 and 6,715.90 is: 9,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.04 : 15,445.83 = 6,715.90 : x
  2. Step 2: Convert to fraction form
    11,193.04/15,445.83 = 6,715.90/x
  3. Step 3: Cross multiply
    11,193.04x = 15,445.83 × 6,715.90
  4. Step 4: Simplify right side
    11,193.04x = 103,732,649.70
  5. Step 5: Solve for x
    x = 103,732,649.70/11,193.04
  6. Step 6: Final answer
    x = 9,267.60

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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.