Home / 14,880.48-20,534.22-8,910.78

Finding the Fourth Proportional to 14,880.48, 20,534.22 and 8,910.78

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Solution

The fourth proportional to 14,880.48, 20,534.22 and 8,910.78 is: 12,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.48 : 20,534.22 = 8,910.78 : x
  2. Step 2: Convert to fraction form
    14,880.48/20,534.22 = 8,910.78/x
  3. Step 3: Cross multiply
    14,880.48x = 20,534.22 × 8,910.78
  4. Step 4: Simplify right side
    14,880.48x = 182,975,916.89
  5. Step 5: Solve for x
    x = 182,975,916.89/14,880.48
  6. Step 6: Final answer
    x = 12,296.37

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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.