Home / 14,631.90-20,188.52-8,889.24

Finding the Fourth Proportional to 14,631.90, 20,188.52 and 8,889.24

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Solution

The fourth proportional to 14,631.90, 20,188.52 and 8,889.24 is: 12,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.90 : 20,188.52 = 8,889.24 : x
  2. Step 2: Convert to fraction form
    14,631.90/20,188.52 = 8,889.24/x
  3. Step 3: Cross multiply
    14,631.90x = 20,188.52 × 8,889.24
  4. Step 4: Simplify right side
    14,631.90x = 179,460,630.79
  5. Step 5: Solve for x
    x = 179,460,630.79/14,631.90
  6. Step 6: Final answer
    x = 12,265.02

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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.