Home / 42,393.06-63,596.25-12,807.18

Finding the Fourth Proportional to 42,393.06, 63,596.25 and 12,807.18

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Solution

The fourth proportional to 42,393.06, 63,596.25 and 12,807.18 is: 19,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,393.06 : 63,596.25 = 12,807.18 : x
  2. Step 2: Convert to fraction form
    42,393.06/63,596.25 = 12,807.18/x
  3. Step 3: Cross multiply
    42,393.06x = 63,596.25 × 12,807.18
  4. Step 4: Simplify right side
    42,393.06x = 814,488,621.08
  5. Step 5: Solve for x
    x = 814,488,621.08/42,393.06
  6. Step 6: Final answer
    x = 19,212.78

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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.