Home / 12,243.86-16,903.47-9,367.18

Finding the Fourth Proportional to 12,243.86, 16,903.47 and 9,367.18

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Solution

The fourth proportional to 12,243.86, 16,903.47 and 9,367.18 is: 12,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.86 : 16,903.47 = 9,367.18 : x
  2. Step 2: Convert to fraction form
    12,243.86/16,903.47 = 9,367.18/x
  3. Step 3: Cross multiply
    12,243.86x = 16,903.47 × 9,367.18
  4. Step 4: Simplify right side
    12,243.86x = 158,337,714.76
  5. Step 5: Solve for x
    x = 158,337,714.76/12,243.86
  6. Step 6: Final answer
    x = 12,932.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.