Home / 20,964.66-28,925.03-12,462.45

Finding the Fourth Proportional to 20,964.66, 28,925.03 and 12,462.45

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Solution

The fourth proportional to 20,964.66, 28,925.03 and 12,462.45 is: 17,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.66 : 28,925.03 = 12,462.45 : x
  2. Step 2: Convert to fraction form
    20,964.66/28,925.03 = 12,462.45/x
  3. Step 3: Cross multiply
    20,964.66x = 28,925.03 × 12,462.45
  4. Step 4: Simplify right side
    20,964.66x = 360,476,677.81
  5. Step 5: Solve for x
    x = 360,476,677.81/20,964.66
  6. Step 6: Final answer
    x = 17,194.49

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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.