Home / 10,428.39-14,387.66-5,948.99

Finding the Fourth Proportional to 10,428.39, 14,387.66 and 5,948.99

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Solution

The fourth proportional to 10,428.39, 14,387.66 and 5,948.99 is: 8,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.39 : 14,387.66 = 5,948.99 : x
  2. Step 2: Convert to fraction form
    10,428.39/14,387.66 = 5,948.99/x
  3. Step 3: Cross multiply
    10,428.39x = 14,387.66 × 5,948.99
  4. Step 4: Simplify right side
    10,428.39x = 85,592,015.72
  5. Step 5: Solve for x
    x = 85,592,015.72/10,428.39
  6. Step 6: Final answer
    x = 8,207.60

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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.