Home / 20,184.60-30,212.10-14,352.60

Finding the Fourth Proportional to 20,184.60, 30,212.10 and 14,352.60

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Solution

The fourth proportional to 20,184.60, 30,212.10 and 14,352.60 is: 21,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.60 : 30,212.10 = 14,352.60 : x
  2. Step 2: Convert to fraction form
    20,184.60/30,212.10 = 14,352.60/x
  3. Step 3: Cross multiply
    20,184.60x = 30,212.10 × 14,352.60
  4. Step 4: Simplify right side
    20,184.60x = 433,622,186.46
  5. Step 5: Solve for x
    x = 433,622,186.46/20,184.60
  6. Step 6: Final answer
    x = 21,482.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.