Home / 10,175.16-15,240.96-7,682.52

Finding the Fourth Proportional to 10,175.16, 15,240.96 and 7,682.52

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Solution

The fourth proportional to 10,175.16, 15,240.96 and 7,682.52 is: 11,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.16 : 15,240.96 = 7,682.52 : x
  2. Step 2: Convert to fraction form
    10,175.16/15,240.96 = 7,682.52/x
  3. Step 3: Cross multiply
    10,175.16x = 15,240.96 × 7,682.52
  4. Step 4: Simplify right side
    10,175.16x = 117,088,980.02
  5. Step 5: Solve for x
    x = 117,088,980.02/10,175.16
  6. Step 6: Final answer
    x = 11,507.34

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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.