Home / 10,821.52-14,933.68-6,106.08

Finding the Fourth Proportional to 10,821.52, 14,933.68 and 6,106.08

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Solution

The fourth proportional to 10,821.52, 14,933.68 and 6,106.08 is: 8,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.52 : 14,933.68 = 6,106.08 : x
  2. Step 2: Convert to fraction form
    10,821.52/14,933.68 = 6,106.08/x
  3. Step 3: Cross multiply
    10,821.52x = 14,933.68 × 6,106.08
  4. Step 4: Simplify right side
    10,821.52x = 91,186,244.77
  5. Step 5: Solve for x
    x = 91,186,244.77/10,821.52
  6. Step 6: Final answer
    x = 8,426.38

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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.