Home / 10,293.49-15,440.31-2,898.70

Finding the Fourth Proportional to 10,293.49, 15,440.31 and 2,898.70

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Solution

The fourth proportional to 10,293.49, 15,440.31 and 2,898.70 is: 4,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.49 : 15,440.31 = 2,898.70 : x
  2. Step 2: Convert to fraction form
    10,293.49/15,440.31 = 2,898.70/x
  3. Step 3: Cross multiply
    10,293.49x = 15,440.31 × 2,898.70
  4. Step 4: Simplify right side
    10,293.49x = 44,756,826.60
  5. Step 5: Solve for x
    x = 44,756,826.60/10,293.49
  6. Step 6: Final answer
    x = 4,348.07

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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.