Home / 19,700.65-27,186.91-12,627.08

Finding the Fourth Proportional to 19,700.65, 27,186.91 and 12,627.08

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Solution

The fourth proportional to 19,700.65, 27,186.91 and 12,627.08 is: 17,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.65 : 27,186.91 = 12,627.08 : x
  2. Step 2: Convert to fraction form
    19,700.65/27,186.91 = 12,627.08/x
  3. Step 3: Cross multiply
    19,700.65x = 27,186.91 × 12,627.08
  4. Step 4: Simplify right side
    19,700.65x = 343,291,120.02
  5. Step 5: Solve for x
    x = 343,291,120.02/19,700.65
  6. Step 6: Final answer
    x = 17,425.37

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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.