Home / 14,322.57-19,760.40-8,659.05

Finding the Fourth Proportional to 14,322.57, 19,760.40 and 8,659.05

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Solution

The fourth proportional to 14,322.57, 19,760.40 and 8,659.05 is: 11,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.57 : 19,760.40 = 8,659.05 : x
  2. Step 2: Convert to fraction form
    14,322.57/19,760.40 = 8,659.05/x
  3. Step 3: Cross multiply
    14,322.57x = 19,760.40 × 8,659.05
  4. Step 4: Simplify right side
    14,322.57x = 171,106,291.62
  5. Step 5: Solve for x
    x = 171,106,291.62/14,322.57
  6. Step 6: Final answer
    x = 11,946.62

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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.