Home / 22,259.93-30,720.18-12,829.10

Finding the Fourth Proportional to 22,259.93, 30,720.18 and 12,829.10

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Solution

The fourth proportional to 22,259.93, 30,720.18 and 12,829.10 is: 17,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.93 : 30,720.18 = 12,829.10 : x
  2. Step 2: Convert to fraction form
    22,259.93/30,720.18 = 12,829.10/x
  3. Step 3: Cross multiply
    22,259.93x = 30,720.18 × 12,829.10
  4. Step 4: Simplify right side
    22,259.93x = 394,112,261.24
  5. Step 5: Solve for x
    x = 394,112,261.24/22,259.93
  6. Step 6: Final answer
    x = 17,705.01

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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.