Home / 18,274.43-25,218.72-10,316.67

Finding the Fourth Proportional to 18,274.43, 25,218.72 and 10,316.67

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Solution

The fourth proportional to 18,274.43, 25,218.72 and 10,316.67 is: 14,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.43 : 25,218.72 = 10,316.67 : x
  2. Step 2: Convert to fraction form
    18,274.43/25,218.72 = 10,316.67/x
  3. Step 3: Cross multiply
    18,274.43x = 25,218.72 × 10,316.67
  4. Step 4: Simplify right side
    18,274.43x = 260,173,212.06
  5. Step 5: Solve for x
    x = 260,173,212.06/18,274.43
  6. Step 6: Final answer
    x = 14,237.01

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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.