Home / 16,489.81-22,758.86-12,504.20

Finding the Fourth Proportional to 16,489.81, 22,758.86 and 12,504.20

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Solution

The fourth proportional to 16,489.81, 22,758.86 and 12,504.20 is: 17,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.81 : 22,758.86 = 12,504.20 : x
  2. Step 2: Convert to fraction form
    16,489.81/22,758.86 = 12,504.20/x
  3. Step 3: Cross multiply
    16,489.81x = 22,758.86 × 12,504.20
  4. Step 4: Simplify right side
    16,489.81x = 284,581,274.69
  5. Step 5: Solve for x
    x = 284,581,274.69/16,489.81
  6. Step 6: Final answer
    x = 17,258.01

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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.