Home / 18,289.32-25,246.26-11,225.34

Finding the Fourth Proportional to 18,289.32, 25,246.26 and 11,225.34

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Solution

The fourth proportional to 18,289.32, 25,246.26 and 11,225.34 is: 15,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.32 : 25,246.26 = 11,225.34 : x
  2. Step 2: Convert to fraction form
    18,289.32/25,246.26 = 11,225.34/x
  3. Step 3: Cross multiply
    18,289.32x = 25,246.26 × 11,225.34
  4. Step 4: Simplify right side
    18,289.32x = 283,397,852.23
  5. Step 5: Solve for x
    x = 283,397,852.23/18,289.32
  6. Step 6: Final answer
    x = 15,495.26

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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.