Home / 13,107.21-19,657.38-8,946.45

Finding the Fourth Proportional to 13,107.21, 19,657.38 and 8,946.45

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Solution

The fourth proportional to 13,107.21, 19,657.38 and 8,946.45 is: 13,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.21 : 19,657.38 = 8,946.45 : x
  2. Step 2: Convert to fraction form
    13,107.21/19,657.38 = 8,946.45/x
  3. Step 3: Cross multiply
    13,107.21x = 19,657.38 × 8,946.45
  4. Step 4: Simplify right side
    13,107.21x = 175,863,767.30
  5. Step 5: Solve for x
    x = 175,863,767.30/13,107.21
  6. Step 6: Final answer
    x = 13,417.33

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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.