Home / 11,235.15-15,510.06-6,762.33

Finding the Fourth Proportional to 11,235.15, 15,510.06 and 6,762.33

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Solution

The fourth proportional to 11,235.15, 15,510.06 and 6,762.33 is: 9,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.15 : 15,510.06 = 6,762.33 : x
  2. Step 2: Convert to fraction form
    11,235.15/15,510.06 = 6,762.33/x
  3. Step 3: Cross multiply
    11,235.15x = 15,510.06 × 6,762.33
  4. Step 4: Simplify right side
    11,235.15x = 104,884,144.04
  5. Step 5: Solve for x
    x = 104,884,144.04/11,235.15
  6. Step 6: Final answer
    x = 9,335.36

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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.