Home / 9,421.88-14,132.81-3,878.24

Finding the Fourth Proportional to 9,421.88, 14,132.81 and 3,878.24

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Solution

The fourth proportional to 9,421.88, 14,132.81 and 3,878.24 is: 5,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.88 : 14,132.81 = 3,878.24 : x
  2. Step 2: Convert to fraction form
    9,421.88/14,132.81 = 3,878.24/x
  3. Step 3: Cross multiply
    9,421.88x = 14,132.81 × 3,878.24
  4. Step 4: Simplify right side
    9,421.88x = 54,810,368.09
  5. Step 5: Solve for x
    x = 54,810,368.09/9,421.88
  6. Step 6: Final answer
    x = 5,817.35

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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.