Home / 11,087.64-15,288.50-9,064.76

Finding the Fourth Proportional to 11,087.64, 15,288.50 and 9,064.76

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Solution

The fourth proportional to 11,087.64, 15,288.50 and 9,064.76 is: 12,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.64 : 15,288.50 = 9,064.76 : x
  2. Step 2: Convert to fraction form
    11,087.64/15,288.50 = 9,064.76/x
  3. Step 3: Cross multiply
    11,087.64x = 15,288.50 × 9,064.76
  4. Step 4: Simplify right side
    11,087.64x = 138,586,583.26
  5. Step 5: Solve for x
    x = 138,586,583.26/11,087.64
  6. Step 6: Final answer
    x = 12,499.20

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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.