Home / 12,537.50-18,806.25-3,303.50

Finding the Fourth Proportional to 12,537.50, 18,806.25 and 3,303.50

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Solution

The fourth proportional to 12,537.50, 18,806.25 and 3,303.50 is: 4,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.50 : 18,806.25 = 3,303.50 : x
  2. Step 2: Convert to fraction form
    12,537.50/18,806.25 = 3,303.50/x
  3. Step 3: Cross multiply
    12,537.50x = 18,806.25 × 3,303.50
  4. Step 4: Simplify right side
    12,537.50x = 62,126,446.88
  5. Step 5: Solve for x
    x = 62,126,446.88/12,537.50
  6. Step 6: Final answer
    x = 4,955.25

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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.