Home / 12,892.61-19,306.09-8,496.74

Finding the Fourth Proportional to 12,892.61, 19,306.09 and 8,496.74

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Solution

The fourth proportional to 12,892.61, 19,306.09 and 8,496.74 is: 12,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.61 : 19,306.09 = 8,496.74 : x
  2. Step 2: Convert to fraction form
    12,892.61/19,306.09 = 8,496.74/x
  3. Step 3: Cross multiply
    12,892.61x = 19,306.09 × 8,496.74
  4. Step 4: Simplify right side
    12,892.61x = 164,038,688.13
  5. Step 5: Solve for x
    x = 164,038,688.13/12,892.61
  6. Step 6: Final answer
    x = 12,723.47

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Double scale
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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.