Home / 11,309.10-15,606.02-6,272.92

Finding the Fourth Proportional to 11,309.10, 15,606.02 and 6,272.92

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Solution

The fourth proportional to 11,309.10, 15,606.02 and 6,272.92 is: 8,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.10 : 15,606.02 = 6,272.92 : x
  2. Step 2: Convert to fraction form
    11,309.10/15,606.02 = 6,272.92/x
  3. Step 3: Cross multiply
    11,309.10x = 15,606.02 × 6,272.92
  4. Step 4: Simplify right side
    11,309.10x = 97,895,314.98
  5. Step 5: Solve for x
    x = 97,895,314.98/11,309.10
  6. Step 6: Final answer
    x = 8,656.33

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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.