Home / 14,948.22-20,623.60-9,646.56

Finding the Fourth Proportional to 14,948.22, 20,623.60 and 9,646.56

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Solution

The fourth proportional to 14,948.22, 20,623.60 and 9,646.56 is: 13,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.22 : 20,623.60 = 9,646.56 : x
  2. Step 2: Convert to fraction form
    14,948.22/20,623.60 = 9,646.56/x
  3. Step 3: Cross multiply
    14,948.22x = 20,623.60 × 9,646.56
  4. Step 4: Simplify right side
    14,948.22x = 198,946,794.82
  5. Step 5: Solve for x
    x = 198,946,794.82/14,948.22
  6. Step 6: Final answer
    x = 13,309.06

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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.