Home / 10,437.36-15,653.88-3,863.40

Finding the Fourth Proportional to 10,437.36, 15,653.88 and 3,863.40

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Solution

The fourth proportional to 10,437.36, 15,653.88 and 3,863.40 is: 5,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.36 : 15,653.88 = 3,863.40 : x
  2. Step 2: Convert to fraction form
    10,437.36/15,653.88 = 3,863.40/x
  3. Step 3: Cross multiply
    10,437.36x = 15,653.88 × 3,863.40
  4. Step 4: Simplify right side
    10,437.36x = 60,477,199.99
  5. Step 5: Solve for x
    x = 60,477,199.99/10,437.36
  6. Step 6: Final answer
    x = 5,794.30

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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.