Home / 10,396.86-15,595.36-4,157.40

Finding the Fourth Proportional to 10,396.86, 15,595.36 and 4,157.40

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Solution

The fourth proportional to 10,396.86, 15,595.36 and 4,157.40 is: 6,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.86 : 15,595.36 = 4,157.40 : x
  2. Step 2: Convert to fraction form
    10,396.86/15,595.36 = 4,157.40/x
  3. Step 3: Cross multiply
    10,396.86x = 15,595.36 × 4,157.40
  4. Step 4: Simplify right side
    10,396.86x = 64,836,080.79
  5. Step 5: Solve for x
    x = 64,836,080.79/10,396.86
  6. Step 6: Final answer
    x = 6,236.12

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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.