Home / 16,984.86-23,432.68-12,519.30

Finding the Fourth Proportional to 16,984.86, 23,432.68 and 12,519.30

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Solution

The fourth proportional to 16,984.86, 23,432.68 and 12,519.30 is: 17,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.86 : 23,432.68 = 12,519.30 : x
  2. Step 2: Convert to fraction form
    16,984.86/23,432.68 = 12,519.30/x
  3. Step 3: Cross multiply
    16,984.86x = 23,432.68 × 12,519.30
  4. Step 4: Simplify right side
    16,984.86x = 293,360,750.72
  5. Step 5: Solve for x
    x = 293,360,750.72/16,984.86
  6. Step 6: Final answer
    x = 17,271.90

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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.