Home / 13,870.26-19,149.42-9,029.58

Finding the Fourth Proportional to 13,870.26, 19,149.42 and 9,029.58

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Solution

The fourth proportional to 13,870.26, 19,149.42 and 9,029.58 is: 12,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.26 : 19,149.42 = 9,029.58 : x
  2. Step 2: Convert to fraction form
    13,870.26/19,149.42 = 9,029.58/x
  3. Step 3: Cross multiply
    13,870.26x = 19,149.42 × 9,029.58
  4. Step 4: Simplify right side
    13,870.26x = 172,911,219.84
  5. Step 5: Solve for x
    x = 172,911,219.84/13,870.26
  6. Step 6: Final answer
    x = 12,466.33

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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.