Home / 19,251.40-28,862.70-10,496.20

Finding the Fourth Proportional to 19,251.40, 28,862.70 and 10,496.20

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Solution

The fourth proportional to 19,251.40, 28,862.70 and 10,496.20 is: 15,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.40 : 28,862.70 = 10,496.20 : x
  2. Step 2: Convert to fraction form
    19,251.40/28,862.70 = 10,496.20/x
  3. Step 3: Cross multiply
    19,251.40x = 28,862.70 × 10,496.20
  4. Step 4: Simplify right side
    19,251.40x = 302,948,671.74
  5. Step 5: Solve for x
    x = 302,948,671.74/19,251.40
  6. Step 6: Final answer
    x = 15,736.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.