Home / 14,564.75-20,099.30-8,277.13

Finding the Fourth Proportional to 14,564.75, 20,099.30 and 8,277.13

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Solution

The fourth proportional to 14,564.75, 20,099.30 and 8,277.13 is: 11,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.75 : 20,099.30 = 8,277.13 : x
  2. Step 2: Convert to fraction form
    14,564.75/20,099.30 = 8,277.13/x
  3. Step 3: Cross multiply
    14,564.75x = 20,099.30 × 8,277.13
  4. Step 4: Simplify right side
    14,564.75x = 166,364,427.38
  5. Step 5: Solve for x
    x = 166,364,427.38/14,564.75
  6. Step 6: Final answer
    x = 11,422.40

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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.