Home / 19,564.90-29,357.79-12,994.18

Finding the Fourth Proportional to 19,564.90, 29,357.79 and 12,994.18

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Solution

The fourth proportional to 19,564.90, 29,357.79 and 12,994.18 is: 19,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.90 : 29,357.79 = 12,994.18 : x
  2. Step 2: Convert to fraction form
    19,564.90/29,357.79 = 12,994.18/x
  3. Step 3: Cross multiply
    19,564.90x = 29,357.79 × 12,994.18
  4. Step 4: Simplify right side
    19,564.90x = 381,480,407.66
  5. Step 5: Solve for x
    x = 381,480,407.66/19,564.90
  6. Step 6: Final answer
    x = 19,498.20

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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.