Home / 13,913.04-19,200.16-7,625.28

Finding the Fourth Proportional to 13,913.04, 19,200.16 and 7,625.28

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Solution

The fourth proportional to 13,913.04, 19,200.16 and 7,625.28 is: 10,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.04 : 19,200.16 = 7,625.28 : x
  2. Step 2: Convert to fraction form
    13,913.04/19,200.16 = 7,625.28/x
  3. Step 3: Cross multiply
    13,913.04x = 19,200.16 × 7,625.28
  4. Step 4: Simplify right side
    13,913.04x = 146,406,596.04
  5. Step 5: Solve for x
    x = 146,406,596.04/13,913.04
  6. Step 6: Final answer
    x = 10,522.98

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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.