Home / 14,129.32-21,193.04-5,807.20

Finding the Fourth Proportional to 14,129.32, 21,193.04 and 5,807.20

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Solution

The fourth proportional to 14,129.32, 21,193.04 and 5,807.20 is: 8,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.32 : 21,193.04 = 5,807.20 : x
  2. Step 2: Convert to fraction form
    14,129.32/21,193.04 = 5,807.20/x
  3. Step 3: Cross multiply
    14,129.32x = 21,193.04 × 5,807.20
  4. Step 4: Simplify right side
    14,129.32x = 123,072,221.89
  5. Step 5: Solve for x
    x = 123,072,221.89/14,129.32
  6. Step 6: Final answer
    x = 8,710.41

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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.