Home / 18,284.27-25,232.38-9,900.77

Finding the Fourth Proportional to 18,284.27, 25,232.38 and 9,900.77

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Solution

The fourth proportional to 18,284.27, 25,232.38 and 9,900.77 is: 13,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.27 : 25,232.38 = 9,900.77 : x
  2. Step 2: Convert to fraction form
    18,284.27/25,232.38 = 9,900.77/x
  3. Step 3: Cross multiply
    18,284.27x = 25,232.38 × 9,900.77
  4. Step 4: Simplify right side
    18,284.27x = 249,819,840.02
  5. Step 5: Solve for x
    x = 249,819,840.02/18,284.27
  6. Step 6: Final answer
    x = 13,663.11

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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.