Home / 12,267.02-16,939.32-9,117.74

Finding the Fourth Proportional to 12,267.02, 16,939.32 and 9,117.74

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Solution

The fourth proportional to 12,267.02, 16,939.32 and 9,117.74 is: 12,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.02 : 16,939.32 = 9,117.74 : x
  2. Step 2: Convert to fraction form
    12,267.02/16,939.32 = 9,117.74/x
  3. Step 3: Cross multiply
    12,267.02x = 16,939.32 × 9,117.74
  4. Step 4: Simplify right side
    12,267.02x = 154,448,315.54
  5. Step 5: Solve for x
    x = 154,448,315.54/12,267.02
  6. Step 6: Final answer
    x = 12,590.53

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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.