Home / 13,068.68-18,022.48-10,079.78

Finding the Fourth Proportional to 13,068.68, 18,022.48 and 10,079.78

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Solution

The fourth proportional to 13,068.68, 18,022.48 and 10,079.78 is: 13,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.68 : 18,022.48 = 10,079.78 : x
  2. Step 2: Convert to fraction form
    13,068.68/18,022.48 = 10,079.78/x
  3. Step 3: Cross multiply
    13,068.68x = 18,022.48 × 10,079.78
  4. Step 4: Simplify right side
    13,068.68x = 181,662,633.45
  5. Step 5: Solve for x
    x = 181,662,633.45/13,068.68
  6. Step 6: Final answer
    x = 13,900.61

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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.