Home / 13,722.99-18,926.58-10,692.18

Finding the Fourth Proportional to 13,722.99, 18,926.58 and 10,692.18

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Solution

The fourth proportional to 13,722.99, 18,926.58 and 10,692.18 is: 14,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.99 : 18,926.58 = 10,692.18 : x
  2. Step 2: Convert to fraction form
    13,722.99/18,926.58 = 10,692.18/x
  3. Step 3: Cross multiply
    13,722.99x = 18,926.58 × 10,692.18
  4. Step 4: Simplify right side
    13,722.99x = 202,366,400.14
  5. Step 5: Solve for x
    x = 202,366,400.14/13,722.99
  6. Step 6: Final answer
    x = 14,746.52

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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.