Home / 19,434.42-26,819.19-10,820.52

Finding the Fourth Proportional to 19,434.42, 26,819.19 and 10,820.52

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Solution

The fourth proportional to 19,434.42, 26,819.19 and 10,820.52 is: 14,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.42 : 26,819.19 = 10,820.52 : x
  2. Step 2: Convert to fraction form
    19,434.42/26,819.19 = 10,820.52/x
  3. Step 3: Cross multiply
    19,434.42x = 26,819.19 × 10,820.52
  4. Step 4: Simplify right side
    19,434.42x = 290,197,581.78
  5. Step 5: Solve for x
    x = 290,197,581.78/19,434.42
  6. Step 6: Final answer
    x = 14,932.15

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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.