Home / 22,320.75-30,803.09-12,248.60

Finding the Fourth Proportional to 22,320.75, 30,803.09 and 12,248.60

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Solution

The fourth proportional to 22,320.75, 30,803.09 and 12,248.60 is: 16,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.75 : 30,803.09 = 12,248.60 : x
  2. Step 2: Convert to fraction form
    22,320.75/30,803.09 = 12,248.60/x
  3. Step 3: Cross multiply
    22,320.75x = 30,803.09 × 12,248.60
  4. Step 4: Simplify right side
    22,320.75x = 377,294,728.17
  5. Step 5: Solve for x
    x = 377,294,728.17/22,320.75
  6. Step 6: Final answer
    x = 16,903.32

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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.