Home / 20,914.06-28,848.71-12,410.57

Finding the Fourth Proportional to 20,914.06, 28,848.71 and 12,410.57

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Solution

The fourth proportional to 20,914.06, 28,848.71 and 12,410.57 is: 17,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.06 : 28,848.71 = 12,410.57 : x
  2. Step 2: Convert to fraction form
    20,914.06/28,848.71 = 12,410.57/x
  3. Step 3: Cross multiply
    20,914.06x = 28,848.71 × 12,410.57
  4. Step 4: Simplify right side
    20,914.06x = 358,028,872.81
  5. Step 5: Solve for x
    x = 358,028,872.81/20,914.06
  6. Step 6: Final answer
    x = 17,119.06

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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.