Home / 12,532.86-18,796.95-6,291.20

Finding the Fourth Proportional to 12,532.86, 18,796.95 and 6,291.20

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Solution

The fourth proportional to 12,532.86, 18,796.95 and 6,291.20 is: 9,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.86 : 18,796.95 = 6,291.20 : x
  2. Step 2: Convert to fraction form
    12,532.86/18,796.95 = 6,291.20/x
  3. Step 3: Cross multiply
    12,532.86x = 18,796.95 × 6,291.20
  4. Step 4: Simplify right side
    12,532.86x = 118,255,418.83
  5. Step 5: Solve for x
    x = 118,255,418.83/12,532.86
  6. Step 6: Final answer
    x = 9,435.63

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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.