Home / 18,139.32-25,032.36-10,181.64

Finding the Fourth Proportional to 18,139.32, 25,032.36 and 10,181.64

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Solution

The fourth proportional to 18,139.32, 25,032.36 and 10,181.64 is: 14,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.32 : 25,032.36 = 10,181.64 : x
  2. Step 2: Convert to fraction form
    18,139.32/25,032.36 = 10,181.64/x
  3. Step 3: Cross multiply
    18,139.32x = 25,032.36 × 10,181.64
  4. Step 4: Simplify right side
    18,139.32x = 254,870,477.87
  5. Step 5: Solve for x
    x = 254,870,477.87/18,139.32
  6. Step 6: Final answer
    x = 14,050.72

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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.