Home / 12,319.37-17,000.78-7,014.18

Finding the Fourth Proportional to 12,319.37, 17,000.78 and 7,014.18

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Solution

The fourth proportional to 12,319.37, 17,000.78 and 7,014.18 is: 9,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.37 : 17,000.78 = 7,014.18 : x
  2. Step 2: Convert to fraction form
    12,319.37/17,000.78 = 7,014.18/x
  3. Step 3: Cross multiply
    12,319.37x = 17,000.78 × 7,014.18
  4. Step 4: Simplify right side
    12,319.37x = 119,246,531.06
  5. Step 5: Solve for x
    x = 119,246,531.06/12,319.37
  6. Step 6: Final answer
    x = 9,679.60

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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.