Home / 21,193.65-29,248.62-12,241.53

Finding the Fourth Proportional to 21,193.65, 29,248.62 and 12,241.53

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Solution

The fourth proportional to 21,193.65, 29,248.62 and 12,241.53 is: 16,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.65 : 29,248.62 = 12,241.53 : x
  2. Step 2: Convert to fraction form
    21,193.65/29,248.62 = 12,241.53/x
  3. Step 3: Cross multiply
    21,193.65x = 29,248.62 × 12,241.53
  4. Step 4: Simplify right side
    21,193.65x = 358,047,859.19
  5. Step 5: Solve for x
    x = 358,047,859.19/21,193.65
  6. Step 6: Final answer
    x = 16,894.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.