Home / 11,955.56-17,927.40-7,569.68

Finding the Fourth Proportional to 11,955.56, 17,927.40 and 7,569.68

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Solution

The fourth proportional to 11,955.56, 17,927.40 and 7,569.68 is: 11,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.56 : 17,927.40 = 7,569.68 : x
  2. Step 2: Convert to fraction form
    11,955.56/17,927.40 = 7,569.68/x
  3. Step 3: Cross multiply
    11,955.56x = 17,927.40 × 7,569.68
  4. Step 4: Simplify right side
    11,955.56x = 135,704,681.23
  5. Step 5: Solve for x
    x = 135,704,681.23/11,955.56
  6. Step 6: Final answer
    x = 11,350.76

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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.