Home / 21,482.54-32,216.06-7,438.76

Finding the Fourth Proportional to 21,482.54, 32,216.06 and 7,438.76

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Solution

The fourth proportional to 21,482.54, 32,216.06 and 7,438.76 is: 11,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.54 : 32,216.06 = 7,438.76 : x
  2. Step 2: Convert to fraction form
    21,482.54/32,216.06 = 7,438.76/x
  3. Step 3: Cross multiply
    21,482.54x = 32,216.06 × 7,438.76
  4. Step 4: Simplify right side
    21,482.54x = 239,647,538.49
  5. Step 5: Solve for x
    x = 239,647,538.49/21,482.54
  6. Step 6: Final answer
    x = 11,155.46

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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.