Home / 22,692.45-31,311-13,259.19

Finding the Fourth Proportional to 22,692.45, 31,311 and 13,259.19

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Solution

The fourth proportional to 22,692.45, 31,311 and 13,259.19 is: 18,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.45 : 31,311 = 13,259.19 : x
  2. Step 2: Convert to fraction form
    22,692.45/31,311 = 13,259.19/x
  3. Step 3: Cross multiply
    22,692.45x = 31,311 × 13,259.19
  4. Step 4: Simplify right side
    22,692.45x = 415,158,498.09
  5. Step 5: Solve for x
    x = 415,158,498.09/22,692.45
  6. Step 6: Final answer
    x = 18,295.01

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Double scale
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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.