Home / 12,386.01-18,585.09-5,812.73

Finding the Fourth Proportional to 12,386.01, 18,585.09 and 5,812.73

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Solution

The fourth proportional to 12,386.01, 18,585.09 and 5,812.73 is: 8,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.01 : 18,585.09 = 5,812.73 : x
  2. Step 2: Convert to fraction form
    12,386.01/18,585.09 = 5,812.73/x
  3. Step 3: Cross multiply
    12,386.01x = 18,585.09 × 5,812.73
  4. Step 4: Simplify right side
    12,386.01x = 108,030,110.20
  5. Step 5: Solve for x
    x = 108,030,110.20/12,386.01
  6. Step 6: Final answer
    x = 8,721.95

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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.