Home / 14,124.90-21,189.30-4,767.60

Finding the Fourth Proportional to 14,124.90, 21,189.30 and 4,767.60

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Solution

The fourth proportional to 14,124.90, 21,189.30 and 4,767.60 is: 7,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.90 : 21,189.30 = 4,767.60 : x
  2. Step 2: Convert to fraction form
    14,124.90/21,189.30 = 4,767.60/x
  3. Step 3: Cross multiply
    14,124.90x = 21,189.30 × 4,767.60
  4. Step 4: Simplify right side
    14,124.90x = 101,022,106.68
  5. Step 5: Solve for x
    x = 101,022,106.68/14,124.90
  6. Step 6: Final answer
    x = 7,152.06

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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.