Home / 19,305.86-26,640.22-10,807.31

Finding the Fourth Proportional to 19,305.86, 26,640.22 and 10,807.31

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Solution

The fourth proportional to 19,305.86, 26,640.22 and 10,807.31 is: 14,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.86 : 26,640.22 = 10,807.31 : x
  2. Step 2: Convert to fraction form
    19,305.86/26,640.22 = 10,807.31/x
  3. Step 3: Cross multiply
    19,305.86x = 26,640.22 × 10,807.31
  4. Step 4: Simplify right side
    19,305.86x = 287,909,176.39
  5. Step 5: Solve for x
    x = 287,909,176.39/19,305.86
  6. Step 6: Final answer
    x = 14,913.05

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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.