Home / 19,670.40-29,436.30-16,117.74

Finding the Fourth Proportional to 19,670.40, 29,436.30 and 16,117.74

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Solution

The fourth proportional to 19,670.40, 29,436.30 and 16,117.74 is: 24,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.40 : 29,436.30 = 16,117.74 : x
  2. Step 2: Convert to fraction form
    19,670.40/29,436.30 = 16,117.74/x
  3. Step 3: Cross multiply
    19,670.40x = 29,436.30 × 16,117.74
  4. Step 4: Simplify right side
    19,670.40x = 474,446,629.96
  5. Step 5: Solve for x
    x = 474,446,629.96/19,670.40
  6. Step 6: Final answer
    x = 24,119.83

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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.