Home / 11,525.88-15,903.18-6,807.72

Finding the Fourth Proportional to 11,525.88, 15,903.18 and 6,807.72

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Solution

The fourth proportional to 11,525.88, 15,903.18 and 6,807.72 is: 9,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.88 : 15,903.18 = 6,807.72 : x
  2. Step 2: Convert to fraction form
    11,525.88/15,903.18 = 6,807.72/x
  3. Step 3: Cross multiply
    11,525.88x = 15,903.18 × 6,807.72
  4. Step 4: Simplify right side
    11,525.88x = 108,264,396.55
  5. Step 5: Solve for x
    x = 108,264,396.55/11,525.88
  6. Step 6: Final answer
    x = 9,393.16

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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.