Home / 37,189.05-55,782.63-9,108.87

Finding the Fourth Proportional to 37,189.05, 55,782.63 and 9,108.87

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Solution

The fourth proportional to 37,189.05, 55,782.63 and 9,108.87 is: 13,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.05 : 55,782.63 = 9,108.87 : x
  2. Step 2: Convert to fraction form
    37,189.05/55,782.63 = 9,108.87/x
  3. Step 3: Cross multiply
    37,189.05x = 55,782.63 × 9,108.87
  4. Step 4: Simplify right side
    37,189.05x = 508,116,724.93
  5. Step 5: Solve for x
    x = 508,116,724.93/37,189.05
  6. Step 6: Final answer
    x = 13,663.07

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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.