Home / 11,461.37-15,816.66-6,985.13

Finding the Fourth Proportional to 11,461.37, 15,816.66 and 6,985.13

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Solution

The fourth proportional to 11,461.37, 15,816.66 and 6,985.13 is: 9,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.37 : 15,816.66 = 6,985.13 : x
  2. Step 2: Convert to fraction form
    11,461.37/15,816.66 = 6,985.13/x
  3. Step 3: Cross multiply
    11,461.37x = 15,816.66 × 6,985.13
  4. Step 4: Simplify right side
    11,461.37x = 110,481,426.27
  5. Step 5: Solve for x
    x = 110,481,426.27/11,461.37
  6. Step 6: Final answer
    x = 9,639.46

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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.