Home / 12,766.32-19,153.36-6,530.70

Finding the Fourth Proportional to 12,766.32, 19,153.36 and 6,530.70

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Solution

The fourth proportional to 12,766.32, 19,153.36 and 6,530.70 is: 9,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.32 : 19,153.36 = 6,530.70 : x
  2. Step 2: Convert to fraction form
    12,766.32/19,153.36 = 6,530.70/x
  3. Step 3: Cross multiply
    12,766.32x = 19,153.36 × 6,530.70
  4. Step 4: Simplify right side
    12,766.32x = 125,084,848.15
  5. Step 5: Solve for x
    x = 125,084,848.15/12,766.32
  6. Step 6: Final answer
    x = 9,798.03

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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.