Home / 20,802.63-31,197.78-6,011.68

Finding the Fourth Proportional to 20,802.63, 31,197.78 and 6,011.68

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Solution

The fourth proportional to 20,802.63, 31,197.78 and 6,011.68 is: 9,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.63 : 31,197.78 = 6,011.68 : x
  2. Step 2: Convert to fraction form
    20,802.63/31,197.78 = 6,011.68/x
  3. Step 3: Cross multiply
    20,802.63x = 31,197.78 × 6,011.68
  4. Step 4: Simplify right side
    20,802.63x = 187,551,070.07
  5. Step 5: Solve for x
    x = 187,551,070.07/20,802.63
  6. Step 6: Final answer
    x = 9,015.74

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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.