Home / 10,353.36-15,530.04-8,040

Finding the Fourth Proportional to 10,353.36, 15,530.04 and 8,040

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Solution

The fourth proportional to 10,353.36, 15,530.04 and 8,040 is: 12,060

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.36 : 15,530.04 = 8,040 : x
  2. Step 2: Convert to fraction form
    10,353.36/15,530.04 = 8,040/x
  3. Step 3: Cross multiply
    10,353.36x = 15,530.04 × 8,040
  4. Step 4: Simplify right side
    10,353.36x = 124,861,521.60
  5. Step 5: Solve for x
    x = 124,861,521.60/10,353.36
  6. Step 6: Final answer
    x = 12,060

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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.