Home / 15,916.28-23,859.57-5,378.93

Finding the Fourth Proportional to 15,916.28, 23,859.57 and 5,378.93

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Solution

The fourth proportional to 15,916.28, 23,859.57 and 5,378.93 is: 8,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.28 : 23,859.57 = 5,378.93 : x
  2. Step 2: Convert to fraction form
    15,916.28/23,859.57 = 5,378.93/x
  3. Step 3: Cross multiply
    15,916.28x = 23,859.57 × 5,378.93
  4. Step 4: Simplify right side
    15,916.28x = 128,338,952.25
  5. Step 5: Solve for x
    x = 128,338,952.25/15,916.28
  6. Step 6: Final answer
    x = 8,063.38

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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.