Home / 15,348.04-21,194.14-9,692.80

Finding the Fourth Proportional to 15,348.04, 21,194.14 and 9,692.80

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Solution

The fourth proportional to 15,348.04, 21,194.14 and 9,692.80 is: 13,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.04 : 21,194.14 = 9,692.80 : x
  2. Step 2: Convert to fraction form
    15,348.04/21,194.14 = 9,692.80/x
  3. Step 3: Cross multiply
    15,348.04x = 21,194.14 × 9,692.80
  4. Step 4: Simplify right side
    15,348.04x = 205,430,560.19
  5. Step 5: Solve for x
    x = 205,430,560.19/15,348.04
  6. Step 6: Final answer
    x = 13,384.81

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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.