Home / 19,810.93-27,316.68-12,631.27

Finding the Fourth Proportional to 19,810.93, 27,316.68 and 12,631.27

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Solution

The fourth proportional to 19,810.93, 27,316.68 and 12,631.27 is: 17,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.93 : 27,316.68 = 12,631.27 : x
  2. Step 2: Convert to fraction form
    19,810.93/27,316.68 = 12,631.27/x
  3. Step 3: Cross multiply
    19,810.93x = 27,316.68 × 12,631.27
  4. Step 4: Simplify right side
    19,810.93x = 345,044,360.58
  5. Step 5: Solve for x
    x = 345,044,360.58/19,810.93
  6. Step 6: Final answer
    x = 17,416.87

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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.