Home / 14,795.43-20,416.87-8,423.58

Finding the Fourth Proportional to 14,795.43, 20,416.87 and 8,423.58

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Solution

The fourth proportional to 14,795.43, 20,416.87 and 8,423.58 is: 11,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.43 : 20,416.87 = 8,423.58 : x
  2. Step 2: Convert to fraction form
    14,795.43/20,416.87 = 8,423.58/x
  3. Step 3: Cross multiply
    14,795.43x = 20,416.87 × 8,423.58
  4. Step 4: Simplify right side
    14,795.43x = 171,983,208.02
  5. Step 5: Solve for x
    x = 171,983,208.02/14,795.43
  6. Step 6: Final answer
    x = 11,624.07

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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.