Home / 12,287.85-18,434.55-4,496.66

Finding the Fourth Proportional to 12,287.85, 18,434.55 and 4,496.66

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Solution

The fourth proportional to 12,287.85, 18,434.55 and 4,496.66 is: 6,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.85 : 18,434.55 = 4,496.66 : x
  2. Step 2: Convert to fraction form
    12,287.85/18,434.55 = 4,496.66/x
  3. Step 3: Cross multiply
    12,287.85x = 18,434.55 × 4,496.66
  4. Step 4: Simplify right side
    12,287.85x = 82,893,903.60
  5. Step 5: Solve for x
    x = 82,893,903.60/12,287.85
  6. Step 6: Final answer
    x = 6,746.01

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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.