Home / 11,525.42-15,905.23-6,748.34

Finding the Fourth Proportional to 11,525.42, 15,905.23 and 6,748.34

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Solution

The fourth proportional to 11,525.42, 15,905.23 and 6,748.34 is: 9,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.42 : 15,905.23 = 6,748.34 : x
  2. Step 2: Convert to fraction form
    11,525.42/15,905.23 = 6,748.34/x
  3. Step 3: Cross multiply
    11,525.42x = 15,905.23 × 6,748.34
  4. Step 4: Simplify right side
    11,525.42x = 107,333,803.42
  5. Step 5: Solve for x
    x = 107,333,803.42/11,525.42
  6. Step 6: Final answer
    x = 9,312.79

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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.