Home / 19,259.31-28,849.17-11,337.42

Finding the Fourth Proportional to 19,259.31, 28,849.17 and 11,337.42

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Solution

The fourth proportional to 19,259.31, 28,849.17 and 11,337.42 is: 16,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.31 : 28,849.17 = 11,337.42 : x
  2. Step 2: Convert to fraction form
    19,259.31/28,849.17 = 11,337.42/x
  3. Step 3: Cross multiply
    19,259.31x = 28,849.17 × 11,337.42
  4. Step 4: Simplify right side
    19,259.31x = 327,075,145.36
  5. Step 5: Solve for x
    x = 327,075,145.36/19,259.31
  6. Step 6: Final answer
    x = 16,982.70

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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.