Home / 22,259.04-30,707.04-12,822.12

Finding the Fourth Proportional to 22,259.04, 30,707.04 and 12,822.12

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Solution

The fourth proportional to 22,259.04, 30,707.04 and 12,822.12 is: 17,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.04 : 30,707.04 = 12,822.12 : x
  2. Step 2: Convert to fraction form
    22,259.04/30,707.04 = 12,822.12/x
  3. Step 3: Cross multiply
    22,259.04x = 30,707.04 × 12,822.12
  4. Step 4: Simplify right side
    22,259.04x = 393,729,351.72
  5. Step 5: Solve for x
    x = 393,729,351.72/22,259.04
  6. Step 6: Final answer
    x = 17,688.51

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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.