Home / 13,802.50-20,700.66-4,440.72

Finding the Fourth Proportional to 13,802.50, 20,700.66 and 4,440.72

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Solution

The fourth proportional to 13,802.50, 20,700.66 and 4,440.72 is: 6,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.50 : 20,700.66 = 4,440.72 : x
  2. Step 2: Convert to fraction form
    13,802.50/20,700.66 = 4,440.72/x
  3. Step 3: Cross multiply
    13,802.50x = 20,700.66 × 4,440.72
  4. Step 4: Simplify right side
    13,802.50x = 91,925,929.16
  5. Step 5: Solve for x
    x = 91,925,929.16/13,802.50
  6. Step 6: Final answer
    x = 6,660.09

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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.