Home / 10,061.28-13,881.75-6,288.28

Finding the Fourth Proportional to 10,061.28, 13,881.75 and 6,288.28

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Solution

The fourth proportional to 10,061.28, 13,881.75 and 6,288.28 is: 8,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.28 : 13,881.75 = 6,288.28 : x
  2. Step 2: Convert to fraction form
    10,061.28/13,881.75 = 6,288.28/x
  3. Step 3: Cross multiply
    10,061.28x = 13,881.75 × 6,288.28
  4. Step 4: Simplify right side
    10,061.28x = 87,292,299.45
  5. Step 5: Solve for x
    x = 87,292,299.45/10,061.28
  6. Step 6: Final answer
    x = 8,676.06

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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.