Home / 10,312.77-15,469.01-2,521.65

Finding the Fourth Proportional to 10,312.77, 15,469.01 and 2,521.65

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Solution

The fourth proportional to 10,312.77, 15,469.01 and 2,521.65 is: 3,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.77 : 15,469.01 = 2,521.65 : x
  2. Step 2: Convert to fraction form
    10,312.77/15,469.01 = 2,521.65/x
  3. Step 3: Cross multiply
    10,312.77x = 15,469.01 × 2,521.65
  4. Step 4: Simplify right side
    10,312.77x = 39,007,483.92
  5. Step 5: Solve for x
    x = 39,007,483.92/10,312.77
  6. Step 6: Final answer
    x = 3,782.44

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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.