Home / 14,432.40-21,650.88-6,112.47

Finding the Fourth Proportional to 14,432.40, 21,650.88 and 6,112.47

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Solution

The fourth proportional to 14,432.40, 21,650.88 and 6,112.47 is: 9,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.40 : 21,650.88 = 6,112.47 : x
  2. Step 2: Convert to fraction form
    14,432.40/21,650.88 = 6,112.47/x
  3. Step 3: Cross multiply
    14,432.40x = 21,650.88 × 6,112.47
  4. Step 4: Simplify right side
    14,432.40x = 132,340,354.47
  5. Step 5: Solve for x
    x = 132,340,354.47/14,432.40
  6. Step 6: Final answer
    x = 9,169.67

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1.5x scale

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.