Home / 18,371.63-25,358.54-10,817.37

Finding the Fourth Proportional to 18,371.63, 25,358.54 and 10,817.37

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Solution

The fourth proportional to 18,371.63, 25,358.54 and 10,817.37 is: 14,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.63 : 25,358.54 = 10,817.37 : x
  2. Step 2: Convert to fraction form
    18,371.63/25,358.54 = 10,817.37/x
  3. Step 3: Cross multiply
    18,371.63x = 25,358.54 × 10,817.37
  4. Step 4: Simplify right side
    18,371.63x = 274,312,655.75
  5. Step 5: Solve for x
    x = 274,312,655.75/18,371.63
  6. Step 6: Final answer
    x = 14,931.32

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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.