Home / 9,935.66-13,711.19-5,459.39

Finding the Fourth Proportional to 9,935.66, 13,711.19 and 5,459.39

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Solution

The fourth proportional to 9,935.66, 13,711.19 and 5,459.39 is: 7,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.66 : 13,711.19 = 5,459.39 : x
  2. Step 2: Convert to fraction form
    9,935.66/13,711.19 = 5,459.39/x
  3. Step 3: Cross multiply
    9,935.66x = 13,711.19 × 5,459.39
  4. Step 4: Simplify right side
    9,935.66x = 74,854,637.72
  5. Step 5: Solve for x
    x = 74,854,637.72/9,935.66
  6. Step 6: Final answer
    x = 7,533.94

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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.