Home / 10,213.67-15,312.04-3,887.24

Finding the Fourth Proportional to 10,213.67, 15,312.04 and 3,887.24

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Solution

The fourth proportional to 10,213.67, 15,312.04 and 3,887.24 is: 5,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.67 : 15,312.04 = 3,887.24 : x
  2. Step 2: Convert to fraction form
    10,213.67/15,312.04 = 3,887.24/x
  3. Step 3: Cross multiply
    10,213.67x = 15,312.04 × 3,887.24
  4. Step 4: Simplify right side
    10,213.67x = 59,521,574.22
  5. Step 5: Solve for x
    x = 59,521,574.22/10,213.67
  6. Step 6: Final answer
    x = 5,827.64

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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.