Home / 11,655.77-16,083.02-6,619.75

Finding the Fourth Proportional to 11,655.77, 16,083.02 and 6,619.75

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Solution

The fourth proportional to 11,655.77, 16,083.02 and 6,619.75 is: 9,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.77 : 16,083.02 = 6,619.75 : x
  2. Step 2: Convert to fraction form
    11,655.77/16,083.02 = 6,619.75/x
  3. Step 3: Cross multiply
    11,655.77x = 16,083.02 × 6,619.75
  4. Step 4: Simplify right side
    11,655.77x = 106,465,547.99
  5. Step 5: Solve for x
    x = 106,465,547.99/11,655.77
  6. Step 6: Final answer
    x = 9,134.15

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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.