Home / 12,923.79-19,370.03-5,894.18

Finding the Fourth Proportional to 12,923.79, 19,370.03 and 5,894.18

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Solution

The fourth proportional to 12,923.79, 19,370.03 and 5,894.18 is: 8,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.79 : 19,370.03 = 5,894.18 : x
  2. Step 2: Convert to fraction form
    12,923.79/19,370.03 = 5,894.18/x
  3. Step 3: Cross multiply
    12,923.79x = 19,370.03 × 5,894.18
  4. Step 4: Simplify right side
    12,923.79x = 114,170,317.10
  5. Step 5: Solve for x
    x = 114,170,317.10/12,923.79
  6. Step 6: Final answer
    x = 8,834.12

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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.