Home / 14,720.58-20,314.41-8,432.94

Finding the Fourth Proportional to 14,720.58, 20,314.41 and 8,432.94

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Solution

The fourth proportional to 14,720.58, 20,314.41 and 8,432.94 is: 11,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.58 : 20,314.41 = 8,432.94 : x
  2. Step 2: Convert to fraction form
    14,720.58/20,314.41 = 8,432.94/x
  3. Step 3: Cross multiply
    14,720.58x = 20,314.41 × 8,432.94
  4. Step 4: Simplify right side
    14,720.58x = 171,310,200.67
  5. Step 5: Solve for x
    x = 171,310,200.67/14,720.58
  6. Step 6: Final answer
    x = 11,637.46

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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.