Home / 19,305.10-26,640.82-10,807.08

Finding the Fourth Proportional to 19,305.10, 26,640.82 and 10,807.08

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Solution

The fourth proportional to 19,305.10, 26,640.82 and 10,807.08 is: 14,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.10 : 26,640.82 = 10,807.08 : x
  2. Step 2: Convert to fraction form
    19,305.10/26,640.82 = 10,807.08/x
  3. Step 3: Cross multiply
    19,305.10x = 26,640.82 × 10,807.08
  4. Step 4: Simplify right side
    19,305.10x = 287,909,418.97
  5. Step 5: Solve for x
    x = 287,909,418.97/19,305.10
  6. Step 6: Final answer
    x = 14,913.65

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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.