Home / 12,529.29-18,777.66-9,384.60

Finding the Fourth Proportional to 12,529.29, 18,777.66 and 9,384.60

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Solution

The fourth proportional to 12,529.29, 18,777.66 and 9,384.60 is: 14,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.29 : 18,777.66 = 9,384.60 : x
  2. Step 2: Convert to fraction form
    12,529.29/18,777.66 = 9,384.60/x
  3. Step 3: Cross multiply
    12,529.29x = 18,777.66 × 9,384.60
  4. Step 4: Simplify right side
    12,529.29x = 176,220,828.04
  5. Step 5: Solve for x
    x = 176,220,828.04/12,529.29
  6. Step 6: Final answer
    x = 14,064.71

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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.