Home / 14,774.16-20,388.51-8,809.26

Finding the Fourth Proportional to 14,774.16, 20,388.51 and 8,809.26

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Solution

The fourth proportional to 14,774.16, 20,388.51 and 8,809.26 is: 12,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.16 : 20,388.51 = 8,809.26 : x
  2. Step 2: Convert to fraction form
    14,774.16/20,388.51 = 8,809.26/x
  3. Step 3: Cross multiply
    14,774.16x = 20,388.51 × 8,809.26
  4. Step 4: Simplify right side
    14,774.16x = 179,607,685.60
  5. Step 5: Solve for x
    x = 179,607,685.60/14,774.16
  6. Step 6: Final answer
    x = 12,156.88

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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.