Home / 21,565.61-29,762.06-12,006.26

Finding the Fourth Proportional to 21,565.61, 29,762.06 and 12,006.26

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Solution

The fourth proportional to 21,565.61, 29,762.06 and 12,006.26 is: 16,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.61 : 29,762.06 = 12,006.26 : x
  2. Step 2: Convert to fraction form
    21,565.61/29,762.06 = 12,006.26/x
  3. Step 3: Cross multiply
    21,565.61x = 29,762.06 × 12,006.26
  4. Step 4: Simplify right side
    21,565.61x = 357,330,821.65
  5. Step 5: Solve for x
    x = 357,330,821.65/21,565.61
  6. Step 6: Final answer
    x = 16,569.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.