Home / 18,767.28-25,903.08-10,810.92

Finding the Fourth Proportional to 18,767.28, 25,903.08 and 10,810.92

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Solution

The fourth proportional to 18,767.28, 25,903.08 and 10,810.92 is: 14,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.28 : 25,903.08 = 10,810.92 : x
  2. Step 2: Convert to fraction form
    18,767.28/25,903.08 = 10,810.92/x
  3. Step 3: Cross multiply
    18,767.28x = 25,903.08 × 10,810.92
  4. Step 4: Simplify right side
    18,767.28x = 280,036,125.63
  5. Step 5: Solve for x
    x = 280,036,125.63/18,767.28
  6. Step 6: Final answer
    x = 14,921.51

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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.