Home / 19,100.26-26,340.96-12,378.88

Finding the Fourth Proportional to 19,100.26, 26,340.96 and 12,378.88

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Solution

The fourth proportional to 19,100.26, 26,340.96 and 12,378.88 is: 17,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.26 : 26,340.96 = 12,378.88 : x
  2. Step 2: Convert to fraction form
    19,100.26/26,340.96 = 12,378.88/x
  3. Step 3: Cross multiply
    19,100.26x = 26,340.96 × 12,378.88
  4. Step 4: Simplify right side
    19,100.26x = 326,071,582.92
  5. Step 5: Solve for x
    x = 326,071,582.92/19,100.26
  6. Step 6: Final answer
    x = 17,071.58

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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.