Home / 19,741.68-29,621.70-8,646.93

Finding the Fourth Proportional to 19,741.68, 29,621.70 and 8,646.93

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Solution

The fourth proportional to 19,741.68, 29,621.70 and 8,646.93 is: 12,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.68 : 29,621.70 = 8,646.93 : x
  2. Step 2: Convert to fraction form
    19,741.68/29,621.70 = 8,646.93/x
  3. Step 3: Cross multiply
    19,741.68x = 29,621.70 × 8,646.93
  4. Step 4: Simplify right side
    19,741.68x = 256,136,766.38
  5. Step 5: Solve for x
    x = 256,136,766.38/19,741.68
  6. Step 6: Final answer
    x = 12,974.42

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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.