Home / 9,113.55-13,663.32-4,179.63

Finding the Fourth Proportional to 9,113.55, 13,663.32 and 4,179.63

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Solution

The fourth proportional to 9,113.55, 13,663.32 and 4,179.63 is: 6,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.55 : 13,663.32 = 4,179.63 : x
  2. Step 2: Convert to fraction form
    9,113.55/13,663.32 = 4,179.63/x
  3. Step 3: Cross multiply
    9,113.55x = 13,663.32 × 4,179.63
  4. Step 4: Simplify right side
    9,113.55x = 57,107,622.17
  5. Step 5: Solve for x
    x = 57,107,622.17/9,113.55
  6. Step 6: Final answer
    x = 6,266.23

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1.5x scale

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.