Home / 14,465.36-21,678.34-8,845

Finding the Fourth Proportional to 14,465.36, 21,678.34 and 8,845

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Solution

The fourth proportional to 14,465.36, 21,678.34 and 8,845 is: 13,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.36 : 21,678.34 = 8,845 : x
  2. Step 2: Convert to fraction form
    14,465.36/21,678.34 = 8,845/x
  3. Step 3: Cross multiply
    14,465.36x = 21,678.34 × 8,845
  4. Step 4: Simplify right side
    14,465.36x = 191,744,895.19
  5. Step 5: Solve for x
    x = 191,744,895.19/14,465.36
  6. Step 6: Final answer
    x = 13,255.45

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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.