Home / 14,500.48-20,011.04-8,213.28

Finding the Fourth Proportional to 14,500.48, 20,011.04 and 8,213.28

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Solution

The fourth proportional to 14,500.48, 20,011.04 and 8,213.28 is: 11,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.48 : 20,011.04 = 8,213.28 : x
  2. Step 2: Convert to fraction form
    14,500.48/20,011.04 = 8,213.28/x
  3. Step 3: Cross multiply
    14,500.48x = 20,011.04 × 8,213.28
  4. Step 4: Simplify right side
    14,500.48x = 164,356,274.61
  5. Step 5: Solve for x
    x = 164,356,274.61/14,500.48
  6. Step 6: Final answer
    x = 11,334.54

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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.