Home / 14,880.48-20,524.32-12,638.82

Finding the Fourth Proportional to 14,880.48, 20,524.32 and 12,638.82

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Solution

The fourth proportional to 14,880.48, 20,524.32 and 12,638.82 is: 17,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.48 : 20,524.32 = 12,638.82 : x
  2. Step 2: Convert to fraction form
    14,880.48/20,524.32 = 12,638.82/x
  3. Step 3: Cross multiply
    14,880.48x = 20,524.32 × 12,638.82
  4. Step 4: Simplify right side
    14,880.48x = 259,403,186.10
  5. Step 5: Solve for x
    x = 259,403,186.10/14,880.48
  6. Step 6: Final answer
    x = 17,432.45

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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.