Home / 13,130.51-19,692.18-4,364.28

Finding the Fourth Proportional to 13,130.51, 19,692.18 and 4,364.28

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Solution

The fourth proportional to 13,130.51, 19,692.18 and 4,364.28 is: 6,545.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.51 : 19,692.18 = 4,364.28 : x
  2. Step 2: Convert to fraction form
    13,130.51/19,692.18 = 4,364.28/x
  3. Step 3: Cross multiply
    13,130.51x = 19,692.18 × 4,364.28
  4. Step 4: Simplify right side
    13,130.51x = 85,942,187.33
  5. Step 5: Solve for x
    x = 85,942,187.33/13,130.51
  6. Step 6: Final answer
    x = 6,545.23

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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.