Home / 11,510.16-17,247.54-6,820.83

Finding the Fourth Proportional to 11,510.16, 17,247.54 and 6,820.83

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Solution

The fourth proportional to 11,510.16, 17,247.54 and 6,820.83 is: 10,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.16 : 17,247.54 = 6,820.83 : x
  2. Step 2: Convert to fraction form
    11,510.16/17,247.54 = 6,820.83/x
  3. Step 3: Cross multiply
    11,510.16x = 17,247.54 × 6,820.83
  4. Step 4: Simplify right side
    11,510.16x = 117,642,538.26
  5. Step 5: Solve for x
    x = 117,642,538.26/11,510.16
  6. Step 6: Final answer
    x = 10,220.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.