Home / 15,863.40-23,795.10-10,938.60

Finding the Fourth Proportional to 15,863.40, 23,795.10 and 10,938.60

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Solution

The fourth proportional to 15,863.40, 23,795.10 and 10,938.60 is: 16,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.40 : 23,795.10 = 10,938.60 : x
  2. Step 2: Convert to fraction form
    15,863.40/23,795.10 = 10,938.60/x
  3. Step 3: Cross multiply
    15,863.40x = 23,795.10 × 10,938.60
  4. Step 4: Simplify right side
    15,863.40x = 260,285,080.86
  5. Step 5: Solve for x
    x = 260,285,080.86/15,863.40
  6. Step 6: Final answer
    x = 16,407.90

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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.