Home / 14,719.50-20,313.81-8,346.69

Finding the Fourth Proportional to 14,719.50, 20,313.81 and 8,346.69

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Solution

The fourth proportional to 14,719.50, 20,313.81 and 8,346.69 is: 11,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.50 : 20,313.81 = 8,346.69 : x
  2. Step 2: Convert to fraction form
    14,719.50/20,313.81 = 8,346.69/x
  3. Step 3: Cross multiply
    14,719.50x = 20,313.81 × 8,346.69
  4. Step 4: Simplify right side
    14,719.50x = 169,553,074.79
  5. Step 5: Solve for x
    x = 169,553,074.79/14,719.50
  6. Step 6: Final answer
    x = 11,518.94

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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.