Home / 19,587.55-29,375.10-6,436.84

Finding the Fourth Proportional to 19,587.55, 29,375.10 and 6,436.84

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Solution

The fourth proportional to 19,587.55, 29,375.10 and 6,436.84 is: 9,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.55 : 29,375.10 = 6,436.84 : x
  2. Step 2: Convert to fraction form
    19,587.55/29,375.10 = 6,436.84/x
  3. Step 3: Cross multiply
    19,587.55x = 29,375.10 × 6,436.84
  4. Step 4: Simplify right side
    19,587.55x = 189,082,818.68
  5. Step 5: Solve for x
    x = 189,082,818.68/19,587.55
  6. Step 6: Final answer
    x = 9,653.21

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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.