Home / 15,134.49-20,854.40-14,930.37

Finding the Fourth Proportional to 15,134.49, 20,854.40 and 14,930.37

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Solution

The fourth proportional to 15,134.49, 20,854.40 and 14,930.37 is: 20,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.49 : 20,854.40 = 14,930.37 : x
  2. Step 2: Convert to fraction form
    15,134.49/20,854.40 = 14,930.37/x
  3. Step 3: Cross multiply
    15,134.49x = 20,854.40 × 14,930.37
  4. Step 4: Simplify right side
    15,134.49x = 311,363,833.48
  5. Step 5: Solve for x
    x = 311,363,833.48/15,134.49
  6. Step 6: Final answer
    x = 20,573.13

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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.