Home / 19,343.70-26,692.29-11,385.45

Finding the Fourth Proportional to 19,343.70, 26,692.29 and 11,385.45

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Solution

The fourth proportional to 19,343.70, 26,692.29 and 11,385.45 is: 15,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.70 : 26,692.29 = 11,385.45 : x
  2. Step 2: Convert to fraction form
    19,343.70/26,692.29 = 11,385.45/x
  3. Step 3: Cross multiply
    19,343.70x = 26,692.29 × 11,385.45
  4. Step 4: Simplify right side
    19,343.70x = 303,903,733.18
  5. Step 5: Solve for x
    x = 303,903,733.18/19,343.70
  6. Step 6: Final answer
    x = 15,710.73

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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.