Home / 14,913.50-20,580.66-8,540.18

Finding the Fourth Proportional to 14,913.50, 20,580.66 and 8,540.18

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Solution

The fourth proportional to 14,913.50, 20,580.66 and 8,540.18 is: 11,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.50 : 20,580.66 = 8,540.18 : x
  2. Step 2: Convert to fraction form
    14,913.50/20,580.66 = 8,540.18/x
  3. Step 3: Cross multiply
    14,913.50x = 20,580.66 × 8,540.18
  4. Step 4: Simplify right side
    14,913.50x = 175,762,438.02
  5. Step 5: Solve for x
    x = 175,762,438.02/14,913.50
  6. Step 6: Final answer
    x = 11,785.46

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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.