Home / 14,134.68-21,202.47-7,110.86

Finding the Fourth Proportional to 14,134.68, 21,202.47 and 7,110.86

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Solution

The fourth proportional to 14,134.68, 21,202.47 and 7,110.86 is: 10,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.68 : 21,202.47 = 7,110.86 : x
  2. Step 2: Convert to fraction form
    14,134.68/21,202.47 = 7,110.86/x
  3. Step 3: Cross multiply
    14,134.68x = 21,202.47 × 7,110.86
  4. Step 4: Simplify right side
    14,134.68x = 150,767,795.82
  5. Step 5: Solve for x
    x = 150,767,795.82/14,134.68
  6. Step 6: Final answer
    x = 10,666.52

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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.