Home / 12,319.56-16,993.80-7,600.50

Finding the Fourth Proportional to 12,319.56, 16,993.80 and 7,600.50

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Solution

The fourth proportional to 12,319.56, 16,993.80 and 7,600.50 is: 10,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.56 : 16,993.80 = 7,600.50 : x
  2. Step 2: Convert to fraction form
    12,319.56/16,993.80 = 7,600.50/x
  3. Step 3: Cross multiply
    12,319.56x = 16,993.80 × 7,600.50
  4. Step 4: Simplify right side
    12,319.56x = 129,161,376.90
  5. Step 5: Solve for x
    x = 129,161,376.90/12,319.56
  6. Step 6: Final answer
    x = 10,484.25

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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.