Home / 19,293.18-28,940.73-9,440.70

Finding the Fourth Proportional to 19,293.18, 28,940.73 and 9,440.70

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Solution

The fourth proportional to 19,293.18, 28,940.73 and 9,440.70 is: 14,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.18 : 28,940.73 = 9,440.70 : x
  2. Step 2: Convert to fraction form
    19,293.18/28,940.73 = 9,440.70/x
  3. Step 3: Cross multiply
    19,293.18x = 28,940.73 × 9,440.70
  4. Step 4: Simplify right side
    19,293.18x = 273,220,749.71
  5. Step 5: Solve for x
    x = 273,220,749.71/19,293.18
  6. Step 6: Final answer
    x = 14,161.52

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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.