Home / 11,087.21-15,300.53-6,307.04

Finding the Fourth Proportional to 11,087.21, 15,300.53 and 6,307.04

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Solution

The fourth proportional to 11,087.21, 15,300.53 and 6,307.04 is: 8,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.21 : 15,300.53 = 6,307.04 : x
  2. Step 2: Convert to fraction form
    11,087.21/15,300.53 = 6,307.04/x
  3. Step 3: Cross multiply
    11,087.21x = 15,300.53 × 6,307.04
  4. Step 4: Simplify right side
    11,087.21x = 96,500,946.69
  5. Step 5: Solve for x
    x = 96,500,946.69/11,087.21
  6. Step 6: Final answer
    x = 8,703.81

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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.