Home / 16,521.64-22,800.99-9,351.57

Finding the Fourth Proportional to 16,521.64, 22,800.99 and 9,351.57

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Solution

The fourth proportional to 16,521.64, 22,800.99 and 9,351.57 is: 12,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.64 : 22,800.99 = 9,351.57 : x
  2. Step 2: Convert to fraction form
    16,521.64/22,800.99 = 9,351.57/x
  3. Step 3: Cross multiply
    16,521.64x = 22,800.99 × 9,351.57
  4. Step 4: Simplify right side
    16,521.64x = 213,225,054.05
  5. Step 5: Solve for x
    x = 213,225,054.05/16,521.64
  6. Step 6: Final answer
    x = 12,905.80

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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.