Home / 19,480.53-26,861.99-12,397.89

Finding the Fourth Proportional to 19,480.53, 26,861.99 and 12,397.89

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Solution

The fourth proportional to 19,480.53, 26,861.99 and 12,397.89 is: 17,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.53 : 26,861.99 = 12,397.89 : x
  2. Step 2: Convert to fraction form
    19,480.53/26,861.99 = 12,397.89/x
  3. Step 3: Cross multiply
    19,480.53x = 26,861.99 × 12,397.89
  4. Step 4: Simplify right side
    19,480.53x = 333,031,997.20
  5. Step 5: Solve for x
    x = 333,031,997.20/19,480.53
  6. Step 6: Final answer
    x = 17,095.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.