Home / 22,130.34-30,539.56-12,059.20

Finding the Fourth Proportional to 22,130.34, 30,539.56 and 12,059.20

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Solution

The fourth proportional to 22,130.34, 30,539.56 and 12,059.20 is: 16,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.34 : 30,539.56 = 12,059.20 : x
  2. Step 2: Convert to fraction form
    22,130.34/30,539.56 = 12,059.20/x
  3. Step 3: Cross multiply
    22,130.34x = 30,539.56 × 12,059.20
  4. Step 4: Simplify right side
    22,130.34x = 368,282,661.95
  5. Step 5: Solve for x
    x = 368,282,661.95/22,130.34
  6. Step 6: Final answer
    x = 16,641.53

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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.