Home / 14,389.49-19,852.93-8,100.65

Finding the Fourth Proportional to 14,389.49, 19,852.93 and 8,100.65

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Solution

The fourth proportional to 14,389.49, 19,852.93 and 8,100.65 is: 11,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.49 : 19,852.93 = 8,100.65 : x
  2. Step 2: Convert to fraction form
    14,389.49/19,852.93 = 8,100.65/x
  3. Step 3: Cross multiply
    14,389.49x = 19,852.93 × 8,100.65
  4. Step 4: Simplify right side
    14,389.49x = 160,821,697.16
  5. Step 5: Solve for x
    x = 160,821,697.16/14,389.49
  6. Step 6: Final answer
    x = 11,176.33

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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.