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Finding the Fourth Proportional to 15,998.34, 23,998.23 and 4,904.22

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Solution

The fourth proportional to 15,998.34, 23,998.23 and 4,904.22 is: 7,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.34 : 23,998.23 = 4,904.22 : x
  2. Step 2: Convert to fraction form
    15,998.34/23,998.23 = 4,904.22/x
  3. Step 3: Cross multiply
    15,998.34x = 23,998.23 × 4,904.22
  4. Step 4: Simplify right side
    15,998.34x = 117,692,599.53
  5. Step 5: Solve for x
    x = 117,692,599.53/15,998.34
  6. Step 6: Final answer
    x = 7,356.55

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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.