Home / 13,712.04-18,914.58-8,045.37

Finding the Fourth Proportional to 13,712.04, 18,914.58 and 8,045.37

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Solution

The fourth proportional to 13,712.04, 18,914.58 and 8,045.37 is: 11,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.04 : 18,914.58 = 8,045.37 : x
  2. Step 2: Convert to fraction form
    13,712.04/18,914.58 = 8,045.37/x
  3. Step 3: Cross multiply
    13,712.04x = 18,914.58 × 8,045.37
  4. Step 4: Simplify right side
    13,712.04x = 152,174,794.49
  5. Step 5: Solve for x
    x = 152,174,794.49/13,712.04
  6. Step 6: Final answer
    x = 11,097.90

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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.