Home / 12,712.48-19,068.66-3,224.80

Finding the Fourth Proportional to 12,712.48, 19,068.66 and 3,224.80

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Solution

The fourth proportional to 12,712.48, 19,068.66 and 3,224.80 is: 4,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.48 : 19,068.66 = 3,224.80 : x
  2. Step 2: Convert to fraction form
    12,712.48/19,068.66 = 3,224.80/x
  3. Step 3: Cross multiply
    12,712.48x = 19,068.66 × 3,224.80
  4. Step 4: Simplify right side
    12,712.48x = 61,492,614.77
  5. Step 5: Solve for x
    x = 61,492,614.77/12,712.48
  6. Step 6: Final answer
    x = 4,837.18

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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.