Home / 14,432.18-21,648.27-6,647.54

Finding the Fourth Proportional to 14,432.18, 21,648.27 and 6,647.54

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Solution

The fourth proportional to 14,432.18, 21,648.27 and 6,647.54 is: 9,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.18 : 21,648.27 = 6,647.54 : x
  2. Step 2: Convert to fraction form
    14,432.18/21,648.27 = 6,647.54/x
  3. Step 3: Cross multiply
    14,432.18x = 21,648.27 × 6,647.54
  4. Step 4: Simplify right side
    14,432.18x = 143,907,740.76
  5. Step 5: Solve for x
    x = 143,907,740.76/14,432.18
  6. Step 6: Final answer
    x = 9,971.31

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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.