Home / 11,561.47-15,955.30-6,525.68

Finding the Fourth Proportional to 11,561.47, 15,955.30 and 6,525.68

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Solution

The fourth proportional to 11,561.47, 15,955.30 and 6,525.68 is: 9,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.47 : 15,955.30 = 6,525.68 : x
  2. Step 2: Convert to fraction form
    11,561.47/15,955.30 = 6,525.68/x
  3. Step 3: Cross multiply
    11,561.47x = 15,955.30 × 6,525.68
  4. Step 4: Simplify right side
    11,561.47x = 104,119,163.53
  5. Step 5: Solve for x
    x = 104,119,163.53/11,561.47
  6. Step 6: Final answer
    x = 9,005.70

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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.