Home / 14,075.91-21,118.73-5,313.33

Finding the Fourth Proportional to 14,075.91, 21,118.73 and 5,313.33

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Solution

The fourth proportional to 14,075.91, 21,118.73 and 5,313.33 is: 7,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.91 : 21,118.73 = 5,313.33 : x
  2. Step 2: Convert to fraction form
    14,075.91/21,118.73 = 5,313.33/x
  3. Step 3: Cross multiply
    14,075.91x = 21,118.73 × 5,313.33
  4. Step 4: Simplify right side
    14,075.91x = 112,210,755.10
  5. Step 5: Solve for x
    x = 112,210,755.10/14,075.91
  6. Step 6: Final answer
    x = 7,971.83

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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.