Home / 10,617.18-15,925.74-2,826

Finding the Fourth Proportional to 10,617.18, 15,925.74 and 2,826

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Solution

The fourth proportional to 10,617.18, 15,925.74 and 2,826 is: 4,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.18 : 15,925.74 = 2,826 : x
  2. Step 2: Convert to fraction form
    10,617.18/15,925.74 = 2,826/x
  3. Step 3: Cross multiply
    10,617.18x = 15,925.74 × 2,826
  4. Step 4: Simplify right side
    10,617.18x = 45,006,141.24
  5. Step 5: Solve for x
    x = 45,006,141.24/10,617.18
  6. Step 6: Final answer
    x = 4,238.99

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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.