Home / 19,001.72-28,493.85-7,901.80

Finding the Fourth Proportional to 19,001.72, 28,493.85 and 7,901.80

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Solution

The fourth proportional to 19,001.72, 28,493.85 and 7,901.80 is: 11,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.72 : 28,493.85 = 7,901.80 : x
  2. Step 2: Convert to fraction form
    19,001.72/28,493.85 = 7,901.80/x
  3. Step 3: Cross multiply
    19,001.72x = 28,493.85 × 7,901.80
  4. Step 4: Simplify right side
    19,001.72x = 225,152,703.93
  5. Step 5: Solve for x
    x = 225,152,703.93/19,001.72
  6. Step 6: Final answer
    x = 11,849.07

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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.