Home / 9,316.30-13,981.26-5,159.80

Finding the Fourth Proportional to 9,316.30, 13,981.26 and 5,159.80

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Solution

The fourth proportional to 9,316.30, 13,981.26 and 5,159.80 is: 7,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.30 : 13,981.26 = 5,159.80 : x
  2. Step 2: Convert to fraction form
    9,316.30/13,981.26 = 5,159.80/x
  3. Step 3: Cross multiply
    9,316.30x = 13,981.26 × 5,159.80
  4. Step 4: Simplify right side
    9,316.30x = 72,140,505.35
  5. Step 5: Solve for x
    x = 72,140,505.35/9,316.30
  6. Step 6: Final answer
    x = 7,743.47

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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.