Home / 18,722.16-25,835.28-10,338

Finding the Fourth Proportional to 18,722.16, 25,835.28 and 10,338

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Solution

The fourth proportional to 18,722.16, 25,835.28 and 10,338 is: 14,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.16 : 25,835.28 = 10,338 : x
  2. Step 2: Convert to fraction form
    18,722.16/25,835.28 = 10,338/x
  3. Step 3: Cross multiply
    18,722.16x = 25,835.28 × 10,338
  4. Step 4: Simplify right side
    18,722.16x = 267,085,124.64
  5. Step 5: Solve for x
    x = 267,085,124.64/18,722.16
  6. Step 6: Final answer
    x = 14,265.72

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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.