Home / 14,021.51-21,032.16-4,159.97

Finding the Fourth Proportional to 14,021.51, 21,032.16 and 4,159.97

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Solution

The fourth proportional to 14,021.51, 21,032.16 and 4,159.97 is: 6,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.51 : 21,032.16 = 4,159.97 : x
  2. Step 2: Convert to fraction form
    14,021.51/21,032.16 = 4,159.97/x
  3. Step 3: Cross multiply
    14,021.51x = 21,032.16 × 4,159.97
  4. Step 4: Simplify right side
    14,021.51x = 87,493,154.64
  5. Step 5: Solve for x
    x = 87,493,154.64/14,021.51
  6. Step 6: Final answer
    x = 6,239.92

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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.