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Finding the Fourth Proportional to 15,888.90, 23,812.12 and 8,377.14

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Solution

The fourth proportional to 15,888.90, 23,812.12 and 8,377.14 is: 12,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.90 : 23,812.12 = 8,377.14 : x
  2. Step 2: Convert to fraction form
    15,888.90/23,812.12 = 8,377.14/x
  3. Step 3: Cross multiply
    15,888.90x = 23,812.12 × 8,377.14
  4. Step 4: Simplify right side
    15,888.90x = 199,477,462.94
  5. Step 5: Solve for x
    x = 199,477,462.94/15,888.90
  6. Step 6: Final answer
    x = 12,554.52

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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.