Home / 13,107.58-19,661.40-4,340.14

Finding the Fourth Proportional to 13,107.58, 19,661.40 and 4,340.14

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Solution

The fourth proportional to 13,107.58, 19,661.40 and 4,340.14 is: 6,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.58 : 19,661.40 = 4,340.14 : x
  2. Step 2: Convert to fraction form
    13,107.58/19,661.40 = 4,340.14/x
  3. Step 3: Cross multiply
    13,107.58x = 19,661.40 × 4,340.14
  4. Step 4: Simplify right side
    13,107.58x = 85,333,228.60
  5. Step 5: Solve for x
    x = 85,333,228.60/13,107.58
  6. Step 6: Final answer
    x = 6,510.22

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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.