Home / 22,209.74-30,607.26-15,911.18

Finding the Fourth Proportional to 22,209.74, 30,607.26 and 15,911.18

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Solution

The fourth proportional to 22,209.74, 30,607.26 and 15,911.18 is: 21,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.74 : 30,607.26 = 15,911.18 : x
  2. Step 2: Convert to fraction form
    22,209.74/30,607.26 = 15,911.18/x
  3. Step 3: Cross multiply
    22,209.74x = 30,607.26 × 15,911.18
  4. Step 4: Simplify right side
    22,209.74x = 486,997,623.17
  5. Step 5: Solve for x
    x = 486,997,623.17/22,209.74
  6. Step 6: Final answer
    x = 21,927.21

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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.