Home / 13,566.04-20,332.86-7,714.60

Finding the Fourth Proportional to 13,566.04, 20,332.86 and 7,714.60

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Solution

The fourth proportional to 13,566.04, 20,332.86 and 7,714.60 is: 11,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.04 : 20,332.86 = 7,714.60 : x
  2. Step 2: Convert to fraction form
    13,566.04/20,332.86 = 7,714.60/x
  3. Step 3: Cross multiply
    13,566.04x = 20,332.86 × 7,714.60
  4. Step 4: Simplify right side
    13,566.04x = 156,859,881.76
  5. Step 5: Solve for x
    x = 156,859,881.76/13,566.04
  6. Step 6: Final answer
    x = 11,562.69

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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.