Home / 14,669.84-20,247.90-8,385.88

Finding the Fourth Proportional to 14,669.84, 20,247.90 and 8,385.88

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Solution

The fourth proportional to 14,669.84, 20,247.90 and 8,385.88 is: 11,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.84 : 20,247.90 = 8,385.88 : x
  2. Step 2: Convert to fraction form
    14,669.84/20,247.90 = 8,385.88/x
  3. Step 3: Cross multiply
    14,669.84x = 20,247.90 × 8,385.88
  4. Step 4: Simplify right side
    14,669.84x = 169,796,459.65
  5. Step 5: Solve for x
    x = 169,796,459.65/14,669.84
  6. Step 6: Final answer
    x = 11,574.53

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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.