Home / 10,828.88-14,944.56-6,113.28

Finding the Fourth Proportional to 10,828.88, 14,944.56 and 6,113.28

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Solution

The fourth proportional to 10,828.88, 14,944.56 and 6,113.28 is: 8,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.88 : 14,944.56 = 6,113.28 : x
  2. Step 2: Convert to fraction form
    10,828.88/14,944.56 = 6,113.28/x
  3. Step 3: Cross multiply
    10,828.88x = 14,944.56 × 6,113.28
  4. Step 4: Simplify right side
    10,828.88x = 91,360,279.76
  5. Step 5: Solve for x
    x = 91,360,279.76/10,828.88
  6. Step 6: Final answer
    x = 8,436.72

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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.