Home / 18,836.75-25,995.84-10,339.35

Finding the Fourth Proportional to 18,836.75, 25,995.84 and 10,339.35

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Solution

The fourth proportional to 18,836.75, 25,995.84 and 10,339.35 is: 14,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.75 : 25,995.84 = 10,339.35 : x
  2. Step 2: Convert to fraction form
    18,836.75/25,995.84 = 10,339.35/x
  3. Step 3: Cross multiply
    18,836.75x = 25,995.84 × 10,339.35
  4. Step 4: Simplify right side
    18,836.75x = 268,779,952.05
  5. Step 5: Solve for x
    x = 268,779,952.05/18,836.75
  6. Step 6: Final answer
    x = 14,268.91

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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.