Home / 15,978.26-22,051.64-9,263.57

Finding the Fourth Proportional to 15,978.26, 22,051.64 and 9,263.57

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Solution

The fourth proportional to 15,978.26, 22,051.64 and 9,263.57 is: 12,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978.26 : 22,051.64 = 9,263.57 : x
  2. Step 2: Convert to fraction form
    15,978.26/22,051.64 = 9,263.57/x
  3. Step 3: Cross multiply
    15,978.26x = 22,051.64 × 9,263.57
  4. Step 4: Simplify right side
    15,978.26x = 204,276,823.66
  5. Step 5: Solve for x
    x = 204,276,823.66/15,978.26
  6. Step 6: Final answer
    x = 12,784.67

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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.