Home / 13,981.65-19,297.44-8,017.35

Finding the Fourth Proportional to 13,981.65, 19,297.44 and 8,017.35

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Solution

The fourth proportional to 13,981.65, 19,297.44 and 8,017.35 is: 11,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.65 : 19,297.44 = 8,017.35 : x
  2. Step 2: Convert to fraction form
    13,981.65/19,297.44 = 8,017.35/x
  3. Step 3: Cross multiply
    13,981.65x = 19,297.44 × 8,017.35
  4. Step 4: Simplify right side
    13,981.65x = 154,714,330.58
  5. Step 5: Solve for x
    x = 154,714,330.58/13,981.65
  6. Step 6: Final answer
    x = 11,065.53

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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.