Home / 19,078.86-26,326.32-10,580.88

Finding the Fourth Proportional to 19,078.86, 26,326.32 and 10,580.88

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Solution

The fourth proportional to 19,078.86, 26,326.32 and 10,580.88 is: 14,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.86 : 26,326.32 = 10,580.88 : x
  2. Step 2: Convert to fraction form
    19,078.86/26,326.32 = 10,580.88/x
  3. Step 3: Cross multiply
    19,078.86x = 26,326.32 × 10,580.88
  4. Step 4: Simplify right side
    19,078.86x = 278,555,632.76
  5. Step 5: Solve for x
    x = 278,555,632.76/19,078.86
  6. Step 6: Final answer
    x = 14,600.22

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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.