Home / 10,293.91-15,439.84-2,898.20

Finding the Fourth Proportional to 10,293.91, 15,439.84 and 2,898.20

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Solution

The fourth proportional to 10,293.91, 15,439.84 and 2,898.20 is: 4,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.91 : 15,439.84 = 2,898.20 : x
  2. Step 2: Convert to fraction form
    10,293.91/15,439.84 = 2,898.20/x
  3. Step 3: Cross multiply
    10,293.91x = 15,439.84 × 2,898.20
  4. Step 4: Simplify right side
    10,293.91x = 44,747,744.29
  5. Step 5: Solve for x
    x = 44,747,744.29/10,293.91
  6. Step 6: Final answer
    x = 4,347.01

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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.