Home / 10,231-14,113.32-6,868.12

Finding the Fourth Proportional to 10,231, 14,113.32 and 6,868.12

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Solution

The fourth proportional to 10,231, 14,113.32 and 6,868.12 is: 9,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231 : 14,113.32 = 6,868.12 : x
  2. Step 2: Convert to fraction form
    10,231/14,113.32 = 6,868.12/x
  3. Step 3: Cross multiply
    10,231x = 14,113.32 × 6,868.12
  4. Step 4: Simplify right side
    10,231x = 96,931,975.36
  5. Step 5: Solve for x
    x = 96,931,975.36/10,231
  6. Step 6: Final answer
    x = 9,474.34

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Double scale
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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.