Home / 14,345.17-21,514.51-5,457.33

Finding the Fourth Proportional to 14,345.17, 21,514.51 and 5,457.33

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Solution

The fourth proportional to 14,345.17, 21,514.51 and 5,457.33 is: 8,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.17 : 21,514.51 = 5,457.33 : x
  2. Step 2: Convert to fraction form
    14,345.17/21,514.51 = 5,457.33/x
  3. Step 3: Cross multiply
    14,345.17x = 21,514.51 × 5,457.33
  4. Step 4: Simplify right side
    14,345.17x = 117,411,780.86
  5. Step 5: Solve for x
    x = 117,411,780.86/14,345.17
  6. Step 6: Final answer
    x = 8,184.76

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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.