Home / 10,742.88-14,826.24-7,213.44

Finding the Fourth Proportional to 10,742.88, 14,826.24 and 7,213.44

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Solution

The fourth proportional to 10,742.88, 14,826.24 and 7,213.44 is: 9,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.88 : 14,826.24 = 7,213.44 : x
  2. Step 2: Convert to fraction form
    10,742.88/14,826.24 = 7,213.44/x
  3. Step 3: Cross multiply
    10,742.88x = 14,826.24 × 7,213.44
  4. Step 4: Simplify right side
    10,742.88x = 106,948,192.67
  5. Step 5: Solve for x
    x = 106,948,192.67/10,742.88
  6. Step 6: Final answer
    x = 9,955.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.