Home / 19,347.68-29,021.66-18,403.31

Finding the Fourth Proportional to 19,347.68, 29,021.66 and 18,403.31

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Solution

The fourth proportional to 19,347.68, 29,021.66 and 18,403.31 is: 27,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.68 : 29,021.66 = 18,403.31 : x
  2. Step 2: Convert to fraction form
    19,347.68/29,021.66 = 18,403.31/x
  3. Step 3: Cross multiply
    19,347.68x = 29,021.66 × 18,403.31
  4. Step 4: Simplify right side
    19,347.68x = 534,094,368.57
  5. Step 5: Solve for x
    x = 534,094,368.57/19,347.68
  6. Step 6: Final answer
    x = 27,605.09

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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.