Home / 14,110.80-21,166.20-13,345.35

Finding the Fourth Proportional to 14,110.80, 21,166.20 and 13,345.35

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Solution

The fourth proportional to 14,110.80, 21,166.20 and 13,345.35 is: 20,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.80 : 21,166.20 = 13,345.35 : x
  2. Step 2: Convert to fraction form
    14,110.80/21,166.20 = 13,345.35/x
  3. Step 3: Cross multiply
    14,110.80x = 21,166.20 × 13,345.35
  4. Step 4: Simplify right side
    14,110.80x = 282,470,347.17
  5. Step 5: Solve for x
    x = 282,470,347.17/14,110.80
  6. Step 6: Final answer
    x = 20,018.03

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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.