Home / 19,305.68-26,642.12-11,752.32

Finding the Fourth Proportional to 19,305.68, 26,642.12 and 11,752.32

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Solution

The fourth proportional to 19,305.68, 26,642.12 and 11,752.32 is: 16,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.68 : 26,642.12 = 11,752.32 : x
  2. Step 2: Convert to fraction form
    19,305.68/26,642.12 = 11,752.32/x
  3. Step 3: Cross multiply
    19,305.68x = 26,642.12 × 11,752.32
  4. Step 4: Simplify right side
    19,305.68x = 313,106,760.86
  5. Step 5: Solve for x
    x = 313,106,760.86/19,305.68
  6. Step 6: Final answer
    x = 16,218.38

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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.