Home / 16,810.70-25,216.05-11,561.90

Finding the Fourth Proportional to 16,810.70, 25,216.05 and 11,561.90

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Solution

The fourth proportional to 16,810.70, 25,216.05 and 11,561.90 is: 17,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.70 : 25,216.05 = 11,561.90 : x
  2. Step 2: Convert to fraction form
    16,810.70/25,216.05 = 11,561.90/x
  3. Step 3: Cross multiply
    16,810.70x = 25,216.05 × 11,561.90
  4. Step 4: Simplify right side
    16,810.70x = 291,545,448.50
  5. Step 5: Solve for x
    x = 291,545,448.50/16,810.70
  6. Step 6: Final answer
    x = 17,342.85

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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.