Home / 11,347.48-15,661.14-6,810.36

Finding the Fourth Proportional to 11,347.48, 15,661.14 and 6,810.36

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Solution

The fourth proportional to 11,347.48, 15,661.14 and 6,810.36 is: 9,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.48 : 15,661.14 = 6,810.36 : x
  2. Step 2: Convert to fraction form
    11,347.48/15,661.14 = 6,810.36/x
  3. Step 3: Cross multiply
    11,347.48x = 15,661.14 × 6,810.36
  4. Step 4: Simplify right side
    11,347.48x = 106,658,001.41
  5. Step 5: Solve for x
    x = 106,658,001.41/11,347.48
  6. Step 6: Final answer
    x = 9,399.27

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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.