Home / 19,151.54-28,707.50-7,302.13

Finding the Fourth Proportional to 19,151.54, 28,707.50 and 7,302.13

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Solution

The fourth proportional to 19,151.54, 28,707.50 and 7,302.13 is: 10,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.54 : 28,707.50 = 7,302.13 : x
  2. Step 2: Convert to fraction form
    19,151.54/28,707.50 = 7,302.13/x
  3. Step 3: Cross multiply
    19,151.54x = 28,707.50 × 7,302.13
  4. Step 4: Simplify right side
    19,151.54x = 209,625,755.41
  5. Step 5: Solve for x
    x = 209,625,755.41/19,151.54
  6. Step 6: Final answer
    x = 10,945.63

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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.