Home / 11,119.05-16,639.02-9,577.35

Finding the Fourth Proportional to 11,119.05, 16,639.02 and 9,577.35

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Solution

The fourth proportional to 11,119.05, 16,639.02 and 9,577.35 is: 14,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.05 : 16,639.02 = 9,577.35 : x
  2. Step 2: Convert to fraction form
    11,119.05/16,639.02 = 9,577.35/x
  3. Step 3: Cross multiply
    11,119.05x = 16,639.02 × 9,577.35
  4. Step 4: Simplify right side
    11,119.05x = 159,357,718.20
  5. Step 5: Solve for x
    x = 159,357,718.20/11,119.05
  6. Step 6: Final answer
    x = 14,331.95

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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.