Home / 12,962.60-19,470.62-8,534.06

Finding the Fourth Proportional to 12,962.60, 19,470.62 and 8,534.06

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Solution

The fourth proportional to 12,962.60, 19,470.62 and 8,534.06 is: 12,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.60 : 19,470.62 = 8,534.06 : x
  2. Step 2: Convert to fraction form
    12,962.60/19,470.62 = 8,534.06/x
  3. Step 3: Cross multiply
    12,962.60x = 19,470.62 × 8,534.06
  4. Step 4: Simplify right side
    12,962.60x = 166,163,439.32
  5. Step 5: Solve for x
    x = 166,163,439.32/12,962.60
  6. Step 6: Final answer
    x = 12,818.68

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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.