Home / 12,519.30-17,276.67-6,854.10

Finding the Fourth Proportional to 12,519.30, 17,276.67 and 6,854.10

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Solution

The fourth proportional to 12,519.30, 17,276.67 and 6,854.10 is: 9,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.30 : 17,276.67 = 6,854.10 : x
  2. Step 2: Convert to fraction form
    12,519.30/17,276.67 = 6,854.10/x
  3. Step 3: Cross multiply
    12,519.30x = 17,276.67 × 6,854.10
  4. Step 4: Simplify right side
    12,519.30x = 118,415,937.46
  5. Step 5: Solve for x
    x = 118,415,937.46/12,519.30
  6. Step 6: Final answer
    x = 9,458.67

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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.