Home / 19,589.28-29,388.35-6,441.76

Finding the Fourth Proportional to 19,589.28, 29,388.35 and 6,441.76

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Solution

The fourth proportional to 19,589.28, 29,388.35 and 6,441.76 is: 9,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.28 : 29,388.35 = 6,441.76 : x
  2. Step 2: Convert to fraction form
    19,589.28/29,388.35 = 6,441.76/x
  3. Step 3: Cross multiply
    19,589.28x = 29,388.35 × 6,441.76
  4. Step 4: Simplify right side
    19,589.28x = 189,312,697.50
  5. Step 5: Solve for x
    x = 189,312,697.50/19,589.28
  6. Step 6: Final answer
    x = 9,664.10

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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.