Home / 13,069.53-18,037.50-7,764.39

Finding the Fourth Proportional to 13,069.53, 18,037.50 and 7,764.39

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Solution

The fourth proportional to 13,069.53, 18,037.50 and 7,764.39 is: 10,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.53 : 18,037.50 = 7,764.39 : x
  2. Step 2: Convert to fraction form
    13,069.53/18,037.50 = 7,764.39/x
  3. Step 3: Cross multiply
    13,069.53x = 18,037.50 × 7,764.39
  4. Step 4: Simplify right side
    13,069.53x = 140,050,184.63
  5. Step 5: Solve for x
    x = 140,050,184.63/13,069.53
  6. Step 6: Final answer
    x = 10,715.78

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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.