Home / 13,094.44-18,065.91-7,428.58

Finding the Fourth Proportional to 13,094.44, 18,065.91 and 7,428.58

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Solution

The fourth proportional to 13,094.44, 18,065.91 and 7,428.58 is: 10,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.44 : 18,065.91 = 7,428.58 : x
  2. Step 2: Convert to fraction form
    13,094.44/18,065.91 = 7,428.58/x
  3. Step 3: Cross multiply
    13,094.44x = 18,065.91 × 7,428.58
  4. Step 4: Simplify right side
    13,094.44x = 134,204,057.71
  5. Step 5: Solve for x
    x = 134,204,057.71/13,094.44
  6. Step 6: Final answer
    x = 10,248.93

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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.