Home / 19,247.88-28,869.96-13,047.75

Finding the Fourth Proportional to 19,247.88, 28,869.96 and 13,047.75

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Solution

The fourth proportional to 19,247.88, 28,869.96 and 13,047.75 is: 19,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.88 : 28,869.96 = 13,047.75 : x
  2. Step 2: Convert to fraction form
    19,247.88/28,869.96 = 13,047.75/x
  3. Step 3: Cross multiply
    19,247.88x = 28,869.96 × 13,047.75
  4. Step 4: Simplify right side
    19,247.88x = 376,688,020.59
  5. Step 5: Solve for x
    x = 376,688,020.59/19,247.88
  6. Step 6: Final answer
    x = 19,570.36

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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.