Home / 11,360.64-15,681.96-6,646.44

Finding the Fourth Proportional to 11,360.64, 15,681.96 and 6,646.44

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Solution

The fourth proportional to 11,360.64, 15,681.96 and 6,646.44 is: 9,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.64 : 15,681.96 = 6,646.44 : x
  2. Step 2: Convert to fraction form
    11,360.64/15,681.96 = 6,646.44/x
  3. Step 3: Cross multiply
    11,360.64x = 15,681.96 × 6,646.44
  4. Step 4: Simplify right side
    11,360.64x = 104,229,206.22
  5. Step 5: Solve for x
    x = 104,229,206.22/11,360.64
  6. Step 6: Final answer
    x = 9,174.59

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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.