Home / 14,730.48-20,329.41-8,359.15

Finding the Fourth Proportional to 14,730.48, 20,329.41 and 8,359.15

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Solution

The fourth proportional to 14,730.48, 20,329.41 and 8,359.15 is: 11,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.48 : 20,329.41 = 8,359.15 : x
  2. Step 2: Convert to fraction form
    14,730.48/20,329.41 = 8,359.15/x
  3. Step 3: Cross multiply
    14,730.48x = 20,329.41 × 8,359.15
  4. Step 4: Simplify right side
    14,730.48x = 169,936,587.60
  5. Step 5: Solve for x
    x = 169,936,587.60/14,730.48
  6. Step 6: Final answer
    x = 11,536.39

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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.