Home / 12,954.50-19,437.90-5,561.08

Finding the Fourth Proportional to 12,954.50, 19,437.90 and 5,561.08

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Solution

The fourth proportional to 12,954.50, 19,437.90 and 5,561.08 is: 8,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.50 : 19,437.90 = 5,561.08 : x
  2. Step 2: Convert to fraction form
    12,954.50/19,437.90 = 5,561.08/x
  3. Step 3: Cross multiply
    12,954.50x = 19,437.90 × 5,561.08
  4. Step 4: Simplify right side
    12,954.50x = 108,095,716.93
  5. Step 5: Solve for x
    x = 108,095,716.93/12,954.50
  6. Step 6: Final answer
    x = 8,344.26

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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.