Home / 14,590.88-20,135.29-8,303.60

Finding the Fourth Proportional to 14,590.88, 20,135.29 and 8,303.60

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Solution

The fourth proportional to 14,590.88, 20,135.29 and 8,303.60 is: 11,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.88 : 20,135.29 = 8,303.60 : x
  2. Step 2: Convert to fraction form
    14,590.88/20,135.29 = 8,303.60/x
  3. Step 3: Cross multiply
    14,590.88x = 20,135.29 × 8,303.60
  4. Step 4: Simplify right side
    14,590.88x = 167,195,394.04
  5. Step 5: Solve for x
    x = 167,195,394.04/14,590.88
  6. Step 6: Final answer
    x = 11,458.90

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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.