Home / 10,824.40-14,937.87-6,107.77

Finding the Fourth Proportional to 10,824.40, 14,937.87 and 6,107.77

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Solution

The fourth proportional to 10,824.40, 14,937.87 and 6,107.77 is: 8,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.40 : 14,937.87 = 6,107.77 : x
  2. Step 2: Convert to fraction form
    10,824.40/14,937.87 = 6,107.77/x
  3. Step 3: Cross multiply
    10,824.40x = 14,937.87 × 6,107.77
  4. Step 4: Simplify right side
    10,824.40x = 91,237,074.25
  5. Step 5: Solve for x
    x = 91,237,074.25/10,824.40
  6. Step 6: Final answer
    x = 8,428.83

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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.