Home / 9,953.17-13,729.66-6,220.69

Finding the Fourth Proportional to 9,953.17, 13,729.66 and 6,220.69

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Solution

The fourth proportional to 9,953.17, 13,729.66 and 6,220.69 is: 8,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.17 : 13,729.66 = 6,220.69 : x
  2. Step 2: Convert to fraction form
    9,953.17/13,729.66 = 6,220.69/x
  3. Step 3: Cross multiply
    9,953.17x = 13,729.66 × 6,220.69
  4. Step 4: Simplify right side
    9,953.17x = 85,407,908.79
  5. Step 5: Solve for x
    x = 85,407,908.79/9,953.17
  6. Step 6: Final answer
    x = 8,580.98

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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.