Home / 10,217.81-15,326.76-3,102.11

Finding the Fourth Proportional to 10,217.81, 15,326.76 and 3,102.11

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Solution

The fourth proportional to 10,217.81, 15,326.76 and 3,102.11 is: 4,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.81 : 15,326.76 = 3,102.11 : x
  2. Step 2: Convert to fraction form
    10,217.81/15,326.76 = 3,102.11/x
  3. Step 3: Cross multiply
    10,217.81x = 15,326.76 × 3,102.11
  4. Step 4: Simplify right side
    10,217.81x = 47,545,211.07
  5. Step 5: Solve for x
    x = 47,545,211.07/10,217.81
  6. Step 6: Final answer
    x = 4,653.17

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1.5x scale

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.