Home / 19,560.57-29,340.72-7,873.62

Finding the Fourth Proportional to 19,560.57, 29,340.72 and 7,873.62

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Solution

The fourth proportional to 19,560.57, 29,340.72 and 7,873.62 is: 11,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.57 : 29,340.72 = 7,873.62 : x
  2. Step 2: Convert to fraction form
    19,560.57/29,340.72 = 7,873.62/x
  3. Step 3: Cross multiply
    19,560.57x = 29,340.72 × 7,873.62
  4. Step 4: Simplify right side
    19,560.57x = 231,017,679.81
  5. Step 5: Solve for x
    x = 231,017,679.81/19,560.57
  6. Step 6: Final answer
    x = 11,810.38

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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.