Home / 14,758.13-20,366.09-8,043.76

Finding the Fourth Proportional to 14,758.13, 20,366.09 and 8,043.76

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Solution

The fourth proportional to 14,758.13, 20,366.09 and 8,043.76 is: 11,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.13 : 20,366.09 = 8,043.76 : x
  2. Step 2: Convert to fraction form
    14,758.13/20,366.09 = 8,043.76/x
  3. Step 3: Cross multiply
    14,758.13x = 20,366.09 × 8,043.76
  4. Step 4: Simplify right side
    14,758.13x = 163,819,829.63
  5. Step 5: Solve for x
    x = 163,819,829.63/14,758.13
  6. Step 6: Final answer
    x = 11,100.31

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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.