Home / 15,309.11-22,963.65-4,215.86

Finding the Fourth Proportional to 15,309.11, 22,963.65 and 4,215.86

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Solution

The fourth proportional to 15,309.11, 22,963.65 and 4,215.86 is: 6,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.11 : 22,963.65 = 4,215.86 : x
  2. Step 2: Convert to fraction form
    15,309.11/22,963.65 = 4,215.86/x
  3. Step 3: Cross multiply
    15,309.11x = 22,963.65 × 4,215.86
  4. Step 4: Simplify right side
    15,309.11x = 96,811,533.49
  5. Step 5: Solve for x
    x = 96,811,533.49/15,309.11
  6. Step 6: Final answer
    x = 6,323.79

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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.