Home / 12,569.18-18,836.75-5,986.31

Finding the Fourth Proportional to 12,569.18, 18,836.75 and 5,986.31

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Solution

The fourth proportional to 12,569.18, 18,836.75 and 5,986.31 is: 8,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.18 : 18,836.75 = 5,986.31 : x
  2. Step 2: Convert to fraction form
    12,569.18/18,836.75 = 5,986.31/x
  3. Step 3: Cross multiply
    12,569.18x = 18,836.75 × 5,986.31
  4. Step 4: Simplify right side
    12,569.18x = 112,762,545.67
  5. Step 5: Solve for x
    x = 112,762,545.67/12,569.18
  6. Step 6: Final answer
    x = 8,971.36

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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.