Home / 19,526.40-29,245.86-11,719.08

Finding the Fourth Proportional to 19,526.40, 29,245.86 and 11,719.08

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Solution

The fourth proportional to 19,526.40, 29,245.86 and 11,719.08 is: 17,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.40 : 29,245.86 = 11,719.08 : x
  2. Step 2: Convert to fraction form
    19,526.40/29,245.86 = 11,719.08/x
  3. Step 3: Cross multiply
    19,526.40x = 29,245.86 × 11,719.08
  4. Step 4: Simplify right side
    19,526.40x = 342,734,573.01
  5. Step 5: Solve for x
    x = 342,734,573.01/19,526.40
  6. Step 6: Final answer
    x = 17,552.37

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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.