Home / 11,717.10-17,565.15-4,319.76

Finding the Fourth Proportional to 11,717.10, 17,565.15 and 4,319.76

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Solution

The fourth proportional to 11,717.10, 17,565.15 and 4,319.76 is: 6,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.10 : 17,565.15 = 4,319.76 : x
  2. Step 2: Convert to fraction form
    11,717.10/17,565.15 = 4,319.76/x
  3. Step 3: Cross multiply
    11,717.10x = 17,565.15 × 4,319.76
  4. Step 4: Simplify right side
    11,717.10x = 75,877,232.36
  5. Step 5: Solve for x
    x = 75,877,232.36/11,717.10
  6. Step 6: Final answer
    x = 6,475.77

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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.