Home / 10,948.32-16,426.80-4,788

Finding the Fourth Proportional to 10,948.32, 16,426.80 and 4,788

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Solution

The fourth proportional to 10,948.32, 16,426.80 and 4,788 is: 7,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.32 : 16,426.80 = 4,788 : x
  2. Step 2: Convert to fraction form
    10,948.32/16,426.80 = 4,788/x
  3. Step 3: Cross multiply
    10,948.32x = 16,426.80 × 4,788
  4. Step 4: Simplify right side
    10,948.32x = 78,651,518.40
  5. Step 5: Solve for x
    x = 78,651,518.40/10,948.32
  6. Step 6: Final answer
    x = 7,183.89

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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.