Home / 10,359.21-14,291.43-7,217.22

Finding the Fourth Proportional to 10,359.21, 14,291.43 and 7,217.22

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Solution

The fourth proportional to 10,359.21, 14,291.43 and 7,217.22 is: 9,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.21 : 14,291.43 = 7,217.22 : x
  2. Step 2: Convert to fraction form
    10,359.21/14,291.43 = 7,217.22/x
  3. Step 3: Cross multiply
    10,359.21x = 14,291.43 × 7,217.22
  4. Step 4: Simplify right side
    10,359.21x = 103,144,394.42
  5. Step 5: Solve for x
    x = 103,144,394.42/10,359.21
  6. Step 6: Final answer
    x = 9,956.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.