Home / 9,421.80-14,130.33-3,876.69

Finding the Fourth Proportional to 9,421.80, 14,130.33 and 3,876.69

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Solution

The fourth proportional to 9,421.80, 14,130.33 and 3,876.69 is: 5,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.80 : 14,130.33 = 3,876.69 : x
  2. Step 2: Convert to fraction form
    9,421.80/14,130.33 = 3,876.69/x
  3. Step 3: Cross multiply
    9,421.80x = 14,130.33 × 3,876.69
  4. Step 4: Simplify right side
    9,421.80x = 54,778,909.01
  5. Step 5: Solve for x
    x = 54,778,909.01/9,421.80
  6. Step 6: Final answer
    x = 5,814.06

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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.