Home / 19,586.91-29,374.13-6,436.25

Finding the Fourth Proportional to 19,586.91, 29,374.13 and 6,436.25

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Solution

The fourth proportional to 19,586.91, 29,374.13 and 6,436.25 is: 9,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.91 : 29,374.13 = 6,436.25 : x
  2. Step 2: Convert to fraction form
    19,586.91/29,374.13 = 6,436.25/x
  3. Step 3: Cross multiply
    19,586.91x = 29,374.13 × 6,436.25
  4. Step 4: Simplify right side
    19,586.91x = 189,059,113.43
  5. Step 5: Solve for x
    x = 189,059,113.43/19,586.91
  6. Step 6: Final answer
    x = 9,652.32

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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.