Home / 14,784.41-20,402.67-8,819.52

Finding the Fourth Proportional to 14,784.41, 20,402.67 and 8,819.52

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Solution

The fourth proportional to 14,784.41, 20,402.67 and 8,819.52 is: 12,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.41 : 20,402.67 = 8,819.52 : x
  2. Step 2: Convert to fraction form
    14,784.41/20,402.67 = 8,819.52/x
  3. Step 3: Cross multiply
    14,784.41x = 20,402.67 × 8,819.52
  4. Step 4: Simplify right side
    14,784.41x = 179,941,756.12
  5. Step 5: Solve for x
    x = 179,941,756.12/14,784.41
  6. Step 6: Final answer
    x = 12,171.05

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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.