Home / 15,213.90-22,817.40-6,888.42

Finding the Fourth Proportional to 15,213.90, 22,817.40 and 6,888.42

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Solution

The fourth proportional to 15,213.90, 22,817.40 and 6,888.42 is: 10,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.90 : 22,817.40 = 6,888.42 : x
  2. Step 2: Convert to fraction form
    15,213.90/22,817.40 = 6,888.42/x
  3. Step 3: Cross multiply
    15,213.90x = 22,817.40 × 6,888.42
  4. Step 4: Simplify right side
    15,213.90x = 157,175,834.51
  5. Step 5: Solve for x
    x = 157,175,834.51/15,213.90
  6. Step 6: Final answer
    x = 10,331.07

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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.