Home / 20,914.08-28,848.69-12,410.53

Finding the Fourth Proportional to 20,914.08, 28,848.69 and 12,410.53

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Solution

The fourth proportional to 20,914.08, 28,848.69 and 12,410.53 is: 17,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.08 : 28,848.69 = 12,410.53 : x
  2. Step 2: Convert to fraction form
    20,914.08/28,848.69 = 12,410.53/x
  3. Step 3: Cross multiply
    20,914.08x = 28,848.69 × 12,410.53
  4. Step 4: Simplify right side
    20,914.08x = 358,027,414.04
  5. Step 5: Solve for x
    x = 358,027,414.04/20,914.08
  6. Step 6: Final answer
    x = 17,118.96

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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.