Home / 10,307.79-14,236.56-6,786.72

Finding the Fourth Proportional to 10,307.79, 14,236.56 and 6,786.72

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Solution

The fourth proportional to 10,307.79, 14,236.56 and 6,786.72 is: 9,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.79 : 14,236.56 = 6,786.72 : x
  2. Step 2: Convert to fraction form
    10,307.79/14,236.56 = 6,786.72/x
  3. Step 3: Cross multiply
    10,307.79x = 14,236.56 × 6,786.72
  4. Step 4: Simplify right side
    10,307.79x = 96,619,546.48
  5. Step 5: Solve for x
    x = 96,619,546.48/10,307.79
  6. Step 6: Final answer
    x = 9,373.45

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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.