Home / 19,189.26-26,479.13-10,689.74

Finding the Fourth Proportional to 19,189.26, 26,479.13 and 10,689.74

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Solution

The fourth proportional to 19,189.26, 26,479.13 and 10,689.74 is: 14,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.26 : 26,479.13 = 10,689.74 : x
  2. Step 2: Convert to fraction form
    19,189.26/26,479.13 = 10,689.74/x
  3. Step 3: Cross multiply
    19,189.26x = 26,479.13 × 10,689.74
  4. Step 4: Simplify right side
    19,189.26x = 283,054,961.68
  5. Step 5: Solve for x
    x = 283,054,961.68/19,189.26
  6. Step 6: Final answer
    x = 14,750.70

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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.