Home / 42,816.74-64,223.57-11,226.56

Finding the Fourth Proportional to 42,816.74, 64,223.57 and 11,226.56

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Solution

The fourth proportional to 42,816.74, 64,223.57 and 11,226.56 is: 16,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,816.74 : 64,223.57 = 11,226.56 : x
  2. Step 2: Convert to fraction form
    42,816.74/64,223.57 = 11,226.56/x
  3. Step 3: Cross multiply
    42,816.74x = 64,223.57 × 11,226.56
  4. Step 4: Simplify right side
    42,816.74x = 721,009,384.77
  5. Step 5: Solve for x
    x = 721,009,384.77/42,816.74
  6. Step 6: Final answer
    x = 16,839.43

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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.