Home / 12,445.08-18,663.84-5,864.64

Finding the Fourth Proportional to 12,445.08, 18,663.84 and 5,864.64

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Solution

The fourth proportional to 12,445.08, 18,663.84 and 5,864.64 is: 8,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.08 : 18,663.84 = 5,864.64 : x
  2. Step 2: Convert to fraction form
    12,445.08/18,663.84 = 5,864.64/x
  3. Step 3: Cross multiply
    12,445.08x = 18,663.84 × 5,864.64
  4. Step 4: Simplify right side
    12,445.08x = 109,456,702.62
  5. Step 5: Solve for x
    x = 109,456,702.62/12,445.08
  6. Step 6: Final answer
    x = 8,795.18

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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.