Home / 11,421.27-17,140.56-4,852.07

Finding the Fourth Proportional to 11,421.27, 17,140.56 and 4,852.07

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Solution

The fourth proportional to 11,421.27, 17,140.56 and 4,852.07 is: 7,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.27 : 17,140.56 = 4,852.07 : x
  2. Step 2: Convert to fraction form
    11,421.27/17,140.56 = 4,852.07/x
  3. Step 3: Cross multiply
    11,421.27x = 17,140.56 × 4,852.07
  4. Step 4: Simplify right side
    11,421.27x = 83,167,196.96
  5. Step 5: Solve for x
    x = 83,167,196.96/11,421.27
  6. Step 6: Final answer
    x = 7,281.78

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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.