Home / 12,937.74-19,409.67-4,618.50

Finding the Fourth Proportional to 12,937.74, 19,409.67 and 4,618.50

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Solution

The fourth proportional to 12,937.74, 19,409.67 and 4,618.50 is: 6,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.74 : 19,409.67 = 4,618.50 : x
  2. Step 2: Convert to fraction form
    12,937.74/19,409.67 = 4,618.50/x
  3. Step 3: Cross multiply
    12,937.74x = 19,409.67 × 4,618.50
  4. Step 4: Simplify right side
    12,937.74x = 89,643,560.90
  5. Step 5: Solve for x
    x = 89,643,560.90/12,937.74
  6. Step 6: Final answer
    x = 6,928.84

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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.