Home / 13,316.37-18,376.47-7,348.14

Finding the Fourth Proportional to 13,316.37, 18,376.47 and 7,348.14

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Solution

The fourth proportional to 13,316.37, 18,376.47 and 7,348.14 is: 10,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.37 : 18,376.47 = 7,348.14 : x
  2. Step 2: Convert to fraction form
    13,316.37/18,376.47 = 7,348.14/x
  3. Step 3: Cross multiply
    13,316.37x = 18,376.47 × 7,348.14
  4. Step 4: Simplify right side
    13,316.37x = 135,032,874.27
  5. Step 5: Solve for x
    x = 135,032,874.27/13,316.37
  6. Step 6: Final answer
    x = 10,140.37

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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.