Home / 14,029.86-21,002.70-13,531.44

Finding the Fourth Proportional to 14,029.86, 21,002.70 and 13,531.44

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Solution

The fourth proportional to 14,029.86, 21,002.70 and 13,531.44 is: 20,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.86 : 21,002.70 = 13,531.44 : x
  2. Step 2: Convert to fraction form
    14,029.86/21,002.70 = 13,531.44/x
  3. Step 3: Cross multiply
    14,029.86x = 21,002.70 × 13,531.44
  4. Step 4: Simplify right side
    14,029.86x = 284,196,774.89
  5. Step 5: Solve for x
    x = 284,196,774.89/14,029.86
  6. Step 6: Final answer
    x = 20,256.57

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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.