Home / 12,753.18-19,115.40-6,495.63

Finding the Fourth Proportional to 12,753.18, 19,115.40 and 6,495.63

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Solution

The fourth proportional to 12,753.18, 19,115.40 and 6,495.63 is: 9,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.18 : 19,115.40 = 6,495.63 : x
  2. Step 2: Convert to fraction form
    12,753.18/19,115.40 = 6,495.63/x
  3. Step 3: Cross multiply
    12,753.18x = 19,115.40 × 6,495.63
  4. Step 4: Simplify right side
    12,753.18x = 124,166,565.70
  5. Step 5: Solve for x
    x = 124,166,565.70/12,753.18
  6. Step 6: Final answer
    x = 9,736.13

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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.