Home / 10,659.24-15,977.22-5,465.40

Finding the Fourth Proportional to 10,659.24, 15,977.22 and 5,465.40

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Solution

The fourth proportional to 10,659.24, 15,977.22 and 5,465.40 is: 8,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.24 : 15,977.22 = 5,465.40 : x
  2. Step 2: Convert to fraction form
    10,659.24/15,977.22 = 5,465.40/x
  3. Step 3: Cross multiply
    10,659.24x = 15,977.22 × 5,465.40
  4. Step 4: Simplify right side
    10,659.24x = 87,321,898.19
  5. Step 5: Solve for x
    x = 87,321,898.19/10,659.24
  6. Step 6: Final answer
    x = 8,192.13

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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.