Home / 11,360.48-17,048.14-6,439.72

Finding the Fourth Proportional to 11,360.48, 17,048.14 and 6,439.72

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Solution

The fourth proportional to 11,360.48, 17,048.14 and 6,439.72 is: 9,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.48 : 17,048.14 = 6,439.72 : x
  2. Step 2: Convert to fraction form
    11,360.48/17,048.14 = 6,439.72/x
  3. Step 3: Cross multiply
    11,360.48x = 17,048.14 × 6,439.72
  4. Step 4: Simplify right side
    11,360.48x = 109,785,248.12
  5. Step 5: Solve for x
    x = 109,785,248.12/11,360.48
  6. Step 6: Final answer
    x = 9,663.79

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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.