Home / 19,165.32-26,448.13-10,781.82

Finding the Fourth Proportional to 19,165.32, 26,448.13 and 10,781.82

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Solution

The fourth proportional to 19,165.32, 26,448.13 and 10,781.82 is: 14,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.32 : 26,448.13 = 10,781.82 : x
  2. Step 2: Convert to fraction form
    19,165.32/26,448.13 = 10,781.82/x
  3. Step 3: Cross multiply
    19,165.32x = 26,448.13 × 10,781.82
  4. Step 4: Simplify right side
    19,165.32x = 285,158,977.00
  5. Step 5: Solve for x
    x = 285,158,977.00/19,165.32
  6. Step 6: Final answer
    x = 14,878.91

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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.