Home / 17,637.37-26,456.10-7,776.70

Finding the Fourth Proportional to 17,637.37, 26,456.10 and 7,776.70

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Solution

The fourth proportional to 17,637.37, 26,456.10 and 7,776.70 is: 11,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,637.37 : 26,456.10 = 7,776.70 : x
  2. Step 2: Convert to fraction form
    17,637.37/26,456.10 = 7,776.70/x
  3. Step 3: Cross multiply
    17,637.37x = 26,456.10 × 7,776.70
  4. Step 4: Simplify right side
    17,637.37x = 205,741,152.87
  5. Step 5: Solve for x
    x = 205,741,152.87/17,637.37
  6. Step 6: Final answer
    x = 11,665.07

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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.