Home / 11,113.71-16,672.10-4,538.36

Finding the Fourth Proportional to 11,113.71, 16,672.10 and 4,538.36

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Solution

The fourth proportional to 11,113.71, 16,672.10 and 4,538.36 is: 6,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.71 : 16,672.10 = 4,538.36 : x
  2. Step 2: Convert to fraction form
    11,113.71/16,672.10 = 4,538.36/x
  3. Step 3: Cross multiply
    11,113.71x = 16,672.10 × 4,538.36
  4. Step 4: Simplify right side
    11,113.71x = 75,663,983.00
  5. Step 5: Solve for x
    x = 75,663,983.00/11,113.71
  6. Step 6: Final answer
    x = 6,808.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.