Home / 14,137.75-19,510.35-7,764.94

Finding the Fourth Proportional to 14,137.75, 19,510.35 and 7,764.94

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Solution

The fourth proportional to 14,137.75, 19,510.35 and 7,764.94 is: 10,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.75 : 19,510.35 = 7,764.94 : x
  2. Step 2: Convert to fraction form
    14,137.75/19,510.35 = 7,764.94/x
  3. Step 3: Cross multiply
    14,137.75x = 19,510.35 × 7,764.94
  4. Step 4: Simplify right side
    14,137.75x = 151,496,697.13
  5. Step 5: Solve for x
    x = 151,496,697.13/14,137.75
  6. Step 6: Final answer
    x = 10,715.76

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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.