Home / 12,127.16-16,803.02-11,864.72

Finding the Fourth Proportional to 12,127.16, 16,803.02 and 11,864.72

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Solution

The fourth proportional to 12,127.16, 16,803.02 and 11,864.72 is: 16,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.16 : 16,803.02 = 11,864.72 : x
  2. Step 2: Convert to fraction form
    12,127.16/16,803.02 = 11,864.72/x
  3. Step 3: Cross multiply
    12,127.16x = 16,803.02 × 11,864.72
  4. Step 4: Simplify right side
    12,127.16x = 199,363,127.45
  5. Step 5: Solve for x
    x = 199,363,127.45/12,127.16
  6. Step 6: Final answer
    x = 16,439.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.