Home / 9,419.55-14,130.96-3,875.91

Finding the Fourth Proportional to 9,419.55, 14,130.96 and 3,875.91

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Solution

The fourth proportional to 9,419.55, 14,130.96 and 3,875.91 is: 5,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.55 : 14,130.96 = 3,875.91 : x
  2. Step 2: Convert to fraction form
    9,419.55/14,130.96 = 3,875.91/x
  3. Step 3: Cross multiply
    9,419.55x = 14,130.96 × 3,875.91
  4. Step 4: Simplify right side
    9,419.55x = 54,770,329.17
  5. Step 5: Solve for x
    x = 54,770,329.17/9,419.55
  6. Step 6: Final answer
    x = 5,814.54

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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.