Home / 14,215.35-21,335.72-14,162.43

Finding the Fourth Proportional to 14,215.35, 21,335.72 and 14,162.43

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Solution

The fourth proportional to 14,215.35, 21,335.72 and 14,162.43 is: 21,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.35 : 21,335.72 = 14,162.43 : x
  2. Step 2: Convert to fraction form
    14,215.35/21,335.72 = 14,162.43/x
  3. Step 3: Cross multiply
    14,215.35x = 21,335.72 × 14,162.43
  4. Step 4: Simplify right side
    14,215.35x = 302,165,570.19
  5. Step 5: Solve for x
    x = 302,165,570.19/14,215.35
  6. Step 6: Final answer
    x = 21,256.29

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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.