Home / 13,284.60-18,332.87-7,316.48

Finding the Fourth Proportional to 13,284.60, 18,332.87 and 7,316.48

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Solution

The fourth proportional to 13,284.60, 18,332.87 and 7,316.48 is: 10,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.60 : 18,332.87 = 7,316.48 : x
  2. Step 2: Convert to fraction form
    13,284.60/18,332.87 = 7,316.48/x
  3. Step 3: Cross multiply
    13,284.60x = 18,332.87 × 7,316.48
  4. Step 4: Simplify right side
    13,284.60x = 134,131,948.45
  5. Step 5: Solve for x
    x = 134,131,948.45/13,284.60
  6. Step 6: Final answer
    x = 10,096.80

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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.