Home / 19,999.36-29,970.25-14,692.69

Finding the Fourth Proportional to 19,999.36, 29,970.25 and 14,692.69

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Solution

The fourth proportional to 19,999.36, 29,970.25 and 14,692.69 is: 22,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.36 : 29,970.25 = 14,692.69 : x
  2. Step 2: Convert to fraction form
    19,999.36/29,970.25 = 14,692.69/x
  3. Step 3: Cross multiply
    19,999.36x = 29,970.25 × 14,692.69
  4. Step 4: Simplify right side
    19,999.36x = 440,343,675.85
  5. Step 5: Solve for x
    x = 440,343,675.85/19,999.36
  6. Step 6: Final answer
    x = 22,017.89

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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.