Home / 19,668.59-29,507.39-5,628.77

Finding the Fourth Proportional to 19,668.59, 29,507.39 and 5,628.77

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Solution

The fourth proportional to 19,668.59, 29,507.39 and 5,628.77 is: 8,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.59 : 29,507.39 = 5,628.77 : x
  2. Step 2: Convert to fraction form
    19,668.59/29,507.39 = 5,628.77/x
  3. Step 3: Cross multiply
    19,668.59x = 29,507.39 × 5,628.77
  4. Step 4: Simplify right side
    19,668.59x = 166,090,283.47
  5. Step 5: Solve for x
    x = 166,090,283.47/19,668.59
  6. Step 6: Final answer
    x = 8,444.44

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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.