Home / 18,928.68-26,121.24-10,545

Finding the Fourth Proportional to 18,928.68, 26,121.24 and 10,545

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Solution

The fourth proportional to 18,928.68, 26,121.24 and 10,545 is: 14,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.68 : 26,121.24 = 10,545 : x
  2. Step 2: Convert to fraction form
    18,928.68/26,121.24 = 10,545/x
  3. Step 3: Cross multiply
    18,928.68x = 26,121.24 × 10,545
  4. Step 4: Simplify right side
    18,928.68x = 275,448,475.80
  5. Step 5: Solve for x
    x = 275,448,475.80/18,928.68
  6. Step 6: Final answer
    x = 14,551.91

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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.