Home / 12,359.18-18,536.54-6,117.18

Finding the Fourth Proportional to 12,359.18, 18,536.54 and 6,117.18

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Solution

The fourth proportional to 12,359.18, 18,536.54 and 6,117.18 is: 9,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.18 : 18,536.54 = 6,117.18 : x
  2. Step 2: Convert to fraction form
    12,359.18/18,536.54 = 6,117.18/x
  3. Step 3: Cross multiply
    12,359.18x = 18,536.54 × 6,117.18
  4. Step 4: Simplify right side
    12,359.18x = 113,391,321.17
  5. Step 5: Solve for x
    x = 113,391,321.17/12,359.18
  6. Step 6: Final answer
    x = 9,174.67

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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.