Home / 13,976.55-19,287.72-8,008.47

Finding the Fourth Proportional to 13,976.55, 19,287.72 and 8,008.47

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Solution

The fourth proportional to 13,976.55, 19,287.72 and 8,008.47 is: 11,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.55 : 19,287.72 = 8,008.47 : x
  2. Step 2: Convert to fraction form
    13,976.55/19,287.72 = 8,008.47/x
  3. Step 3: Cross multiply
    13,976.55x = 19,287.72 × 8,008.47
  4. Step 4: Simplify right side
    13,976.55x = 154,465,126.99
  5. Step 5: Solve for x
    x = 154,465,126.99/13,976.55
  6. Step 6: Final answer
    x = 11,051.74

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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.