Home / 14,516.43-19,987.96-12,713.51

Finding the Fourth Proportional to 14,516.43, 19,987.96 and 12,713.51

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Solution

The fourth proportional to 14,516.43, 19,987.96 and 12,713.51 is: 17,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.43 : 19,987.96 = 12,713.51 : x
  2. Step 2: Convert to fraction form
    14,516.43/19,987.96 = 12,713.51/x
  3. Step 3: Cross multiply
    14,516.43x = 19,987.96 × 12,713.51
  4. Step 4: Simplify right side
    14,516.43x = 254,117,129.34
  5. Step 5: Solve for x
    x = 254,117,129.34/14,516.43
  6. Step 6: Final answer
    x = 17,505.48

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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.