Home / 9,836.40-14,730.30-7,331.58

Finding the Fourth Proportional to 9,836.40, 14,730.30 and 7,331.58

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Solution

The fourth proportional to 9,836.40, 14,730.30 and 7,331.58 is: 10,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.40 : 14,730.30 = 7,331.58 : x
  2. Step 2: Convert to fraction form
    9,836.40/14,730.30 = 7,331.58/x
  3. Step 3: Cross multiply
    9,836.40x = 14,730.30 × 7,331.58
  4. Step 4: Simplify right side
    9,836.40x = 107,996,372.87
  5. Step 5: Solve for x
    x = 107,996,372.87/9,836.40
  6. Step 6: Final answer
    x = 10,979.26

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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.