Home / 16,520.64-22,783.92-10,853.76

Finding the Fourth Proportional to 16,520.64, 22,783.92 and 10,853.76

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Solution

The fourth proportional to 16,520.64, 22,783.92 and 10,853.76 is: 14,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.64 : 22,783.92 = 10,853.76 : x
  2. Step 2: Convert to fraction form
    16,520.64/22,783.92 = 10,853.76/x
  3. Step 3: Cross multiply
    16,520.64x = 22,783.92 × 10,853.76
  4. Step 4: Simplify right side
    16,520.64x = 247,291,199.54
  5. Step 5: Solve for x
    x = 247,291,199.54/16,520.64
  6. Step 6: Final answer
    x = 14,968.62

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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.