Home / 15,611.54-23,400.90-9,688.41

Finding the Fourth Proportional to 15,611.54, 23,400.90 and 9,688.41

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Solution

The fourth proportional to 15,611.54, 23,400.90 and 9,688.41 is: 14,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.54 : 23,400.90 = 9,688.41 : x
  2. Step 2: Convert to fraction form
    15,611.54/23,400.90 = 9,688.41/x
  3. Step 3: Cross multiply
    15,611.54x = 23,400.90 × 9,688.41
  4. Step 4: Simplify right side
    15,611.54x = 226,717,513.57
  5. Step 5: Solve for x
    x = 226,717,513.57/15,611.54
  6. Step 6: Final answer
    x = 14,522.44

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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.