Home / 16,311.30-22,509.54-9,237.84

Finding the Fourth Proportional to 16,311.30, 22,509.54 and 9,237.84

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Solution

The fourth proportional to 16,311.30, 22,509.54 and 9,237.84 is: 12,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.30 : 22,509.54 = 9,237.84 : x
  2. Step 2: Convert to fraction form
    16,311.30/22,509.54 = 9,237.84/x
  3. Step 3: Cross multiply
    16,311.30x = 22,509.54 × 9,237.84
  4. Step 4: Simplify right side
    16,311.30x = 207,939,528.99
  5. Step 5: Solve for x
    x = 207,939,528.99/16,311.30
  6. Step 6: Final answer
    x = 12,748.19

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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.