Home / 19,239.26-28,875.09-7,560.68

Finding the Fourth Proportional to 19,239.26, 28,875.09 and 7,560.68

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Solution

The fourth proportional to 19,239.26, 28,875.09 and 7,560.68 is: 11,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.26 : 28,875.09 = 7,560.68 : x
  2. Step 2: Convert to fraction form
    19,239.26/28,875.09 = 7,560.68/x
  3. Step 3: Cross multiply
    19,239.26x = 28,875.09 × 7,560.68
  4. Step 4: Simplify right side
    19,239.26x = 218,315,315.46
  5. Step 5: Solve for x
    x = 218,315,315.46/19,239.26
  6. Step 6: Final answer
    x = 11,347.39

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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.