Home / 19,187.19-26,479.24-10,689.89

Finding the Fourth Proportional to 19,187.19, 26,479.24 and 10,689.89

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Solution

The fourth proportional to 19,187.19, 26,479.24 and 10,689.89 is: 14,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.19 : 26,479.24 = 10,689.89 : x
  2. Step 2: Convert to fraction form
    19,187.19/26,479.24 = 10,689.89/x
  3. Step 3: Cross multiply
    19,187.19x = 26,479.24 × 10,689.89
  4. Step 4: Simplify right side
    19,187.19x = 283,060,003.76
  5. Step 5: Solve for x
    x = 283,060,003.76/19,187.19
  6. Step 6: Final answer
    x = 14,752.55

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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.