Home / 19,165.04-26,447.44-10,781.52

Finding the Fourth Proportional to 19,165.04, 26,447.44 and 10,781.52

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Solution

The fourth proportional to 19,165.04, 26,447.44 and 10,781.52 is: 14,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.04 : 26,447.44 = 10,781.52 : x
  2. Step 2: Convert to fraction form
    19,165.04/26,447.44 = 10,781.52/x
  3. Step 3: Cross multiply
    19,165.04x = 26,447.44 × 10,781.52
  4. Step 4: Simplify right side
    19,165.04x = 285,143,603.31
  5. Step 5: Solve for x
    x = 285,143,603.31/19,165.04
  6. Step 6: Final answer
    x = 14,878.32

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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.