Home / 16,331.91-22,535.06-9,618.63

Finding the Fourth Proportional to 16,331.91, 22,535.06 and 9,618.63

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Solution

The fourth proportional to 16,331.91, 22,535.06 and 9,618.63 is: 13,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.91 : 22,535.06 = 9,618.63 : x
  2. Step 2: Convert to fraction form
    16,331.91/22,535.06 = 9,618.63/x
  3. Step 3: Cross multiply
    16,331.91x = 22,535.06 × 9,618.63
  4. Step 4: Simplify right side
    16,331.91x = 216,756,356.07
  5. Step 5: Solve for x
    x = 216,756,356.07/16,331.91
  6. Step 6: Final answer
    x = 13,271.95

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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.