Home / 20,148.21-30,232.98-14,646.96

Finding the Fourth Proportional to 20,148.21, 30,232.98 and 14,646.96

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Solution

The fourth proportional to 20,148.21, 30,232.98 and 14,646.96 is: 21,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.21 : 30,232.98 = 14,646.96 : x
  2. Step 2: Convert to fraction form
    20,148.21/30,232.98 = 14,646.96/x
  3. Step 3: Cross multiply
    20,148.21x = 30,232.98 × 14,646.96
  4. Step 4: Simplify right side
    20,148.21x = 442,821,248.74
  5. Step 5: Solve for x
    x = 442,821,248.74/20,148.21
  6. Step 6: Final answer
    x = 21,978.19

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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.