Home / 15,985.18-23,967.39-6,622.66

Finding the Fourth Proportional to 15,985.18, 23,967.39 and 6,622.66

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Solution

The fourth proportional to 15,985.18, 23,967.39 and 6,622.66 is: 9,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.18 : 23,967.39 = 6,622.66 : x
  2. Step 2: Convert to fraction form
    15,985.18/23,967.39 = 6,622.66/x
  3. Step 3: Cross multiply
    15,985.18x = 23,967.39 × 6,622.66
  4. Step 4: Simplify right side
    15,985.18x = 158,727,875.06
  5. Step 5: Solve for x
    x = 158,727,875.06/15,985.18
  6. Step 6: Final answer
    x = 9,929.69

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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.