Home / 19,323.12-28,943-13,048.68

Finding the Fourth Proportional to 19,323.12, 28,943 and 13,048.68

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Solution

The fourth proportional to 19,323.12, 28,943 and 13,048.68 is: 19,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.12 : 28,943 = 13,048.68 : x
  2. Step 2: Convert to fraction form
    19,323.12/28,943 = 13,048.68/x
  3. Step 3: Cross multiply
    19,323.12x = 28,943 × 13,048.68
  4. Step 4: Simplify right side
    19,323.12x = 377,667,945.24
  5. Step 5: Solve for x
    x = 377,667,945.24/19,323.12
  6. Step 6: Final answer
    x = 19,544.87

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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.