Home / 14,294.08-21,284.84-13,769.20

Finding the Fourth Proportional to 14,294.08, 21,284.84 and 13,769.20

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Solution

The fourth proportional to 14,294.08, 21,284.84 and 13,769.20 is: 20,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.08 : 21,284.84 = 13,769.20 : x
  2. Step 2: Convert to fraction form
    14,294.08/21,284.84 = 13,769.20/x
  3. Step 3: Cross multiply
    14,294.08x = 21,284.84 × 13,769.20
  4. Step 4: Simplify right side
    14,294.08x = 293,075,218.93
  5. Step 5: Solve for x
    x = 293,075,218.93/14,294.08
  6. Step 6: Final answer
    x = 20,503.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.