Home / 12,616.47-18,925.56-3,731.67

Finding the Fourth Proportional to 12,616.47, 18,925.56 and 3,731.67

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Solution

The fourth proportional to 12,616.47, 18,925.56 and 3,731.67 is: 5,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.47 : 18,925.56 = 3,731.67 : x
  2. Step 2: Convert to fraction form
    12,616.47/18,925.56 = 3,731.67/x
  3. Step 3: Cross multiply
    12,616.47x = 18,925.56 × 3,731.67
  4. Step 4: Simplify right side
    12,616.47x = 70,623,944.49
  5. Step 5: Solve for x
    x = 70,623,944.49/12,616.47
  6. Step 6: Final answer
    x = 5,597.76

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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.