Home / 19,314.12-26,650-11,357.92

Finding the Fourth Proportional to 19,314.12, 26,650 and 11,357.92

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Solution

The fourth proportional to 19,314.12, 26,650 and 11,357.92 is: 15,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.12 : 26,650 = 11,357.92 : x
  2. Step 2: Convert to fraction form
    19,314.12/26,650 = 11,357.92/x
  3. Step 3: Cross multiply
    19,314.12x = 26,650 × 11,357.92
  4. Step 4: Simplify right side
    19,314.12x = 302,688,568
  5. Step 5: Solve for x
    x = 302,688,568/19,314.12
  6. Step 6: Final answer
    x = 15,671.88

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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.