Home / 15,377.94-23,066.91-4,989.78

Finding the Fourth Proportional to 15,377.94, 23,066.91 and 4,989.78

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Solution

The fourth proportional to 15,377.94, 23,066.91 and 4,989.78 is: 7,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.94 : 23,066.91 = 4,989.78 : x
  2. Step 2: Convert to fraction form
    15,377.94/23,066.91 = 4,989.78/x
  3. Step 3: Cross multiply
    15,377.94x = 23,066.91 × 4,989.78
  4. Step 4: Simplify right side
    15,377.94x = 115,098,806.18
  5. Step 5: Solve for x
    x = 115,098,806.18/15,377.94
  6. Step 6: Final answer
    x = 7,484.67

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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.