Home / 15,919.68-23,864.67-5,382.38

Finding the Fourth Proportional to 15,919.68, 23,864.67 and 5,382.38

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Solution

The fourth proportional to 15,919.68, 23,864.67 and 5,382.38 is: 8,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.68 : 23,864.67 = 5,382.38 : x
  2. Step 2: Convert to fraction form
    15,919.68/23,864.67 = 5,382.38/x
  3. Step 3: Cross multiply
    15,919.68x = 23,864.67 × 5,382.38
  4. Step 4: Simplify right side
    15,919.68x = 128,448,722.51
  5. Step 5: Solve for x
    x = 128,448,722.51/15,919.68
  6. Step 6: Final answer
    x = 8,068.55

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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.