Home / 8,436.01-12,643.76-6,349.31

Finding the Fourth Proportional to 8,436.01, 12,643.76 and 6,349.31

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Solution

The fourth proportional to 8,436.01, 12,643.76 and 6,349.31 is: 9,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.01 : 12,643.76 = 6,349.31 : x
  2. Step 2: Convert to fraction form
    8,436.01/12,643.76 = 6,349.31/x
  3. Step 3: Cross multiply
    8,436.01x = 12,643.76 × 6,349.31
  4. Step 4: Simplify right side
    8,436.01x = 80,279,120.82
  5. Step 5: Solve for x
    x = 80,279,120.82/8,436.01
  6. Step 6: Final answer
    x = 9,516.24

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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.