Home / 14,627.98-20,180.10-9,320.86

Finding the Fourth Proportional to 14,627.98, 20,180.10 and 9,320.86

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Solution

The fourth proportional to 14,627.98, 20,180.10 and 9,320.86 is: 12,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.98 : 20,180.10 = 9,320.86 : x
  2. Step 2: Convert to fraction form
    14,627.98/20,180.10 = 9,320.86/x
  3. Step 3: Cross multiply
    14,627.98x = 20,180.10 × 9,320.86
  4. Step 4: Simplify right side
    14,627.98x = 188,095,886.89
  5. Step 5: Solve for x
    x = 188,095,886.89/14,627.98
  6. Step 6: Final answer
    x = 12,858.64

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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.