Home / 14,019.11-21,022.51-5,247.87

Finding the Fourth Proportional to 14,019.11, 21,022.51 and 5,247.87

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Solution

The fourth proportional to 14,019.11, 21,022.51 and 5,247.87 is: 7,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.11 : 21,022.51 = 5,247.87 : x
  2. Step 2: Convert to fraction form
    14,019.11/21,022.51 = 5,247.87/x
  3. Step 3: Cross multiply
    14,019.11x = 21,022.51 × 5,247.87
  4. Step 4: Simplify right side
    14,019.11x = 110,323,406.13
  5. Step 5: Solve for x
    x = 110,323,406.13/14,019.11
  6. Step 6: Final answer
    x = 7,869.50

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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.