Home / 14,574.83-20,064.62-13,905.31

Finding the Fourth Proportional to 14,574.83, 20,064.62 and 13,905.31

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Solution

The fourth proportional to 14,574.83, 20,064.62 and 13,905.31 is: 19,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.83 : 20,064.62 = 13,905.31 : x
  2. Step 2: Convert to fraction form
    14,574.83/20,064.62 = 13,905.31/x
  3. Step 3: Cross multiply
    14,574.83x = 20,064.62 × 13,905.31
  4. Step 4: Simplify right side
    14,574.83x = 279,004,591.28
  5. Step 5: Solve for x
    x = 279,004,591.28/14,574.83
  6. Step 6: Final answer
    x = 19,142.91

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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.