Home / 12,499.50-18,748.44-6,888.02

Finding the Fourth Proportional to 12,499.50, 18,748.44 and 6,888.02

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Solution

The fourth proportional to 12,499.50, 18,748.44 and 6,888.02 is: 10,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.50 : 18,748.44 = 6,888.02 : x
  2. Step 2: Convert to fraction form
    12,499.50/18,748.44 = 6,888.02/x
  3. Step 3: Cross multiply
    12,499.50x = 18,748.44 × 6,888.02
  4. Step 4: Simplify right side
    12,499.50x = 129,139,535.95
  5. Step 5: Solve for x
    x = 129,139,535.95/12,499.50
  6. Step 6: Final answer
    x = 10,331.58

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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.