Home / 11,359.58-15,681.87-8,801.60

Finding the Fourth Proportional to 11,359.58, 15,681.87 and 8,801.60

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Solution

The fourth proportional to 11,359.58, 15,681.87 and 8,801.60 is: 12,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.58 : 15,681.87 = 8,801.60 : x
  2. Step 2: Convert to fraction form
    11,359.58/15,681.87 = 8,801.60/x
  3. Step 3: Cross multiply
    11,359.58x = 15,681.87 × 8,801.60
  4. Step 4: Simplify right side
    11,359.58x = 138,025,468.58
  5. Step 5: Solve for x
    x = 138,025,468.58/11,359.58
  6. Step 6: Final answer
    x = 12,150.58

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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.