Home / 10,428.39-14,391.12-5,952.21

Finding the Fourth Proportional to 10,428.39, 14,391.12 and 5,952.21

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Solution

The fourth proportional to 10,428.39, 14,391.12 and 5,952.21 is: 8,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.39 : 14,391.12 = 5,952.21 : x
  2. Step 2: Convert to fraction form
    10,428.39/14,391.12 = 5,952.21/x
  3. Step 3: Cross multiply
    10,428.39x = 14,391.12 × 5,952.21
  4. Step 4: Simplify right side
    10,428.39x = 85,658,968.38
  5. Step 5: Solve for x
    x = 85,658,968.38/10,428.39
  6. Step 6: Final answer
    x = 8,214.02

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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.