Home / 10,209.08-14,085.01-5,732.21

Finding the Fourth Proportional to 10,209.08, 14,085.01 and 5,732.21

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Solution

The fourth proportional to 10,209.08, 14,085.01 and 5,732.21 is: 7,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.08 : 14,085.01 = 5,732.21 : x
  2. Step 2: Convert to fraction form
    10,209.08/14,085.01 = 5,732.21/x
  3. Step 3: Cross multiply
    10,209.08x = 14,085.01 × 5,732.21
  4. Step 4: Simplify right side
    10,209.08x = 80,738,235.17
  5. Step 5: Solve for x
    x = 80,738,235.17/10,209.08
  6. Step 6: Final answer
    x = 7,908.47

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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.