Home / 12,339.05-18,510.49-4,017.11

Finding the Fourth Proportional to 12,339.05, 18,510.49 and 4,017.11

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Solution

The fourth proportional to 12,339.05, 18,510.49 and 4,017.11 is: 6,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.05 : 18,510.49 = 4,017.11 : x
  2. Step 2: Convert to fraction form
    12,339.05/18,510.49 = 4,017.11/x
  3. Step 3: Cross multiply
    12,339.05x = 18,510.49 × 4,017.11
  4. Step 4: Simplify right side
    12,339.05x = 74,358,571.89
  5. Step 5: Solve for x
    x = 74,358,571.89/12,339.05
  6. Step 6: Final answer
    x = 6,026.28

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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.