Home / 13,699.24-18,904.94-7,411.62

Finding the Fourth Proportional to 13,699.24, 18,904.94 and 7,411.62

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Solution

The fourth proportional to 13,699.24, 18,904.94 and 7,411.62 is: 10,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.24 : 18,904.94 = 7,411.62 : x
  2. Step 2: Convert to fraction form
    13,699.24/18,904.94 = 7,411.62/x
  3. Step 3: Cross multiply
    13,699.24x = 18,904.94 × 7,411.62
  4. Step 4: Simplify right side
    13,699.24x = 140,116,231.40
  5. Step 5: Solve for x
    x = 140,116,231.40/13,699.24
  6. Step 6: Final answer
    x = 10,228.03

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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.