Home / 15,950.51-22,011.91-8,781.26

Finding the Fourth Proportional to 15,950.51, 22,011.91 and 8,781.26

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Solution

The fourth proportional to 15,950.51, 22,011.91 and 8,781.26 is: 12,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.51 : 22,011.91 = 8,781.26 : x
  2. Step 2: Convert to fraction form
    15,950.51/22,011.91 = 8,781.26/x
  3. Step 3: Cross multiply
    15,950.51x = 22,011.91 × 8,781.26
  4. Step 4: Simplify right side
    15,950.51x = 193,292,172.79
  5. Step 5: Solve for x
    x = 193,292,172.79/15,950.51
  6. Step 6: Final answer
    x = 12,118.25

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1.5x scale

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.