Home / 16,979.43-25,432.25-10,385.67

Finding the Fourth Proportional to 16,979.43, 25,432.25 and 10,385.67

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Solution

The fourth proportional to 16,979.43, 25,432.25 and 10,385.67 is: 15,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.43 : 25,432.25 = 10,385.67 : x
  2. Step 2: Convert to fraction form
    16,979.43/25,432.25 = 10,385.67/x
  3. Step 3: Cross multiply
    16,979.43x = 25,432.25 × 10,385.67
  4. Step 4: Simplify right side
    16,979.43x = 264,130,903.93
  5. Step 5: Solve for x
    x = 264,130,903.93/16,979.43
  6. Step 6: Final answer
    x = 15,555.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.