Home / 10,648.20-14,694.48-6,172.86

Finding the Fourth Proportional to 10,648.20, 14,694.48 and 6,172.86

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Solution

The fourth proportional to 10,648.20, 14,694.48 and 6,172.86 is: 8,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.20 : 14,694.48 = 6,172.86 : x
  2. Step 2: Convert to fraction form
    10,648.20/14,694.48 = 6,172.86/x
  3. Step 3: Cross multiply
    10,648.20x = 14,694.48 × 6,172.86
  4. Step 4: Simplify right side
    10,648.20x = 90,706,967.81
  5. Step 5: Solve for x
    x = 90,706,967.81/10,648.20
  6. Step 6: Final answer
    x = 8,518.53

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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.