Home / 12,658.63-18,988.17-3,298.08

Finding the Fourth Proportional to 12,658.63, 18,988.17 and 3,298.08

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Solution

The fourth proportional to 12,658.63, 18,988.17 and 3,298.08 is: 4,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.63 : 18,988.17 = 3,298.08 : x
  2. Step 2: Convert to fraction form
    12,658.63/18,988.17 = 3,298.08/x
  3. Step 3: Cross multiply
    12,658.63x = 18,988.17 × 3,298.08
  4. Step 4: Simplify right side
    12,658.63x = 62,624,501.00
  5. Step 5: Solve for x
    x = 62,624,501.00/12,658.63
  6. Step 6: Final answer
    x = 4,947.18

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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.