Home / 14,011.68-19,317.24-11,015.76

Finding the Fourth Proportional to 14,011.68, 19,317.24 and 11,015.76

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Solution

The fourth proportional to 14,011.68, 19,317.24 and 11,015.76 is: 15,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.68 : 19,317.24 = 11,015.76 : x
  2. Step 2: Convert to fraction form
    14,011.68/19,317.24 = 11,015.76/x
  3. Step 3: Cross multiply
    14,011.68x = 19,317.24 × 11,015.76
  4. Step 4: Simplify right side
    14,011.68x = 212,794,079.70
  5. Step 5: Solve for x
    x = 212,794,079.70/14,011.68
  6. Step 6: Final answer
    x = 15,186.91

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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.