Home / 18,758.26-25,886.40-10,374.76

Finding the Fourth Proportional to 18,758.26, 25,886.40 and 10,374.76

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Solution

The fourth proportional to 18,758.26, 25,886.40 and 10,374.76 is: 14,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.26 : 25,886.40 = 10,374.76 : x
  2. Step 2: Convert to fraction form
    18,758.26/25,886.40 = 10,374.76/x
  3. Step 3: Cross multiply
    18,758.26x = 25,886.40 × 10,374.76
  4. Step 4: Simplify right side
    18,758.26x = 268,565,187.26
  5. Step 5: Solve for x
    x = 268,565,187.26/18,758.26
  6. Step 6: Final answer
    x = 14,317.17

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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.