Home / 19,589.70-29,388.27-6,445.86

Finding the Fourth Proportional to 19,589.70, 29,388.27 and 6,445.86

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Solution

The fourth proportional to 19,589.70, 29,388.27 and 6,445.86 is: 9,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.70 : 29,388.27 = 6,445.86 : x
  2. Step 2: Convert to fraction form
    19,589.70/29,388.27 = 6,445.86/x
  3. Step 3: Cross multiply
    19,589.70x = 29,388.27 × 6,445.86
  4. Step 4: Simplify right side
    19,589.70x = 189,432,674.06
  5. Step 5: Solve for x
    x = 189,432,674.06/19,589.70
  6. Step 6: Final answer
    x = 9,670.01

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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.