Home / 14,340.16-19,789.56-8,289.94

Finding the Fourth Proportional to 14,340.16, 19,789.56 and 8,289.94

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Solution

The fourth proportional to 14,340.16, 19,789.56 and 8,289.94 is: 11,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.16 : 19,789.56 = 8,289.94 : x
  2. Step 2: Convert to fraction form
    14,340.16/19,789.56 = 8,289.94/x
  3. Step 3: Cross multiply
    14,340.16x = 19,789.56 × 8,289.94
  4. Step 4: Simplify right side
    14,340.16x = 164,054,265.03
  5. Step 5: Solve for x
    x = 164,054,265.03/14,340.16
  6. Step 6: Final answer
    x = 11,440.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.