Home / 22,050.75-30,430.04-12,114.75

Finding the Fourth Proportional to 22,050.75, 30,430.04 and 12,114.75

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Solution

The fourth proportional to 22,050.75, 30,430.04 and 12,114.75 is: 16,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.75 : 30,430.04 = 12,114.75 : x
  2. Step 2: Convert to fraction form
    22,050.75/30,430.04 = 12,114.75/x
  3. Step 3: Cross multiply
    22,050.75x = 30,430.04 × 12,114.75
  4. Step 4: Simplify right side
    22,050.75x = 368,652,266.52
  5. Step 5: Solve for x
    x = 368,652,266.52/22,050.75
  6. Step 6: Final answer
    x = 16,718.36

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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.