Home / 14,652.06-20,219.81-7,937.85

Finding the Fourth Proportional to 14,652.06, 20,219.81 and 7,937.85

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Solution

The fourth proportional to 14,652.06, 20,219.81 and 7,937.85 is: 10,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.06 : 20,219.81 = 7,937.85 : x
  2. Step 2: Convert to fraction form
    14,652.06/20,219.81 = 7,937.85/x
  3. Step 3: Cross multiply
    14,652.06x = 20,219.81 × 7,937.85
  4. Step 4: Simplify right side
    14,652.06x = 160,501,842.73
  5. Step 5: Solve for x
    x = 160,501,842.73/14,652.06
  6. Step 6: Final answer
    x = 10,954.22

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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.