Home / 13,273.34-18,316.53-7,305.58

Finding the Fourth Proportional to 13,273.34, 18,316.53 and 7,305.58

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Solution

The fourth proportional to 13,273.34, 18,316.53 and 7,305.58 is: 10,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.34 : 18,316.53 = 7,305.58 : x
  2. Step 2: Convert to fraction form
    13,273.34/18,316.53 = 7,305.58/x
  3. Step 3: Cross multiply
    13,273.34x = 18,316.53 × 7,305.58
  4. Step 4: Simplify right side
    13,273.34x = 133,812,829.45
  5. Step 5: Solve for x
    x = 133,812,829.45/13,273.34
  6. Step 6: Final answer
    x = 10,081.32

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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.