Home / 18,265.40-25,206.16-10,307.60

Finding the Fourth Proportional to 18,265.40, 25,206.16 and 10,307.60

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Solution

The fourth proportional to 18,265.40, 25,206.16 and 10,307.60 is: 14,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.40 : 25,206.16 = 10,307.60 : x
  2. Step 2: Convert to fraction form
    18,265.40/25,206.16 = 10,307.60/x
  3. Step 3: Cross multiply
    18,265.40x = 25,206.16 × 10,307.60
  4. Step 4: Simplify right side
    18,265.40x = 259,815,014.82
  5. Step 5: Solve for x
    x = 259,815,014.82/18,265.40
  6. Step 6: Final answer
    x = 14,224.44

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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.