Home / 13,032.08-17,985.52-7,442

Finding the Fourth Proportional to 13,032.08, 17,985.52 and 7,442

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Solution

The fourth proportional to 13,032.08, 17,985.52 and 7,442 is: 10,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.08 : 17,985.52 = 7,442 : x
  2. Step 2: Convert to fraction form
    13,032.08/17,985.52 = 7,442/x
  3. Step 3: Cross multiply
    13,032.08x = 17,985.52 × 7,442
  4. Step 4: Simplify right side
    13,032.08x = 133,848,239.84
  5. Step 5: Solve for x
    x = 133,848,239.84/13,032.08
  6. Step 6: Final answer
    x = 10,270.67

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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.