Home / 12,002.81-18,006.34-4,106.19

Finding the Fourth Proportional to 12,002.81, 18,006.34 and 4,106.19

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Solution

The fourth proportional to 12,002.81, 18,006.34 and 4,106.19 is: 6,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.81 : 18,006.34 = 4,106.19 : x
  2. Step 2: Convert to fraction form
    12,002.81/18,006.34 = 4,106.19/x
  3. Step 3: Cross multiply
    12,002.81x = 18,006.34 × 4,106.19
  4. Step 4: Simplify right side
    12,002.81x = 73,937,442.98
  5. Step 5: Solve for x
    x = 73,937,442.98/12,002.81
  6. Step 6: Final answer
    x = 6,160.01

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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.