Home / 15,384.39-23,032.31-13,781.67

Finding the Fourth Proportional to 15,384.39, 23,032.31 and 13,781.67

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Solution

The fourth proportional to 15,384.39, 23,032.31 and 13,781.67 is: 20,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.39 : 23,032.31 = 13,781.67 : x
  2. Step 2: Convert to fraction form
    15,384.39/23,032.31 = 13,781.67/x
  3. Step 3: Cross multiply
    15,384.39x = 23,032.31 × 13,781.67
  4. Step 4: Simplify right side
    15,384.39x = 317,423,626.85
  5. Step 5: Solve for x
    x = 317,423,626.85/15,384.39
  6. Step 6: Final answer
    x = 20,632.84

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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.