Home / 18,362.28-25,341.48-11,290.44

Finding the Fourth Proportional to 18,362.28, 25,341.48 and 11,290.44

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Solution

The fourth proportional to 18,362.28, 25,341.48 and 11,290.44 is: 15,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.28 : 25,341.48 = 11,290.44 : x
  2. Step 2: Convert to fraction form
    18,362.28/25,341.48 = 11,290.44/x
  3. Step 3: Cross multiply
    18,362.28x = 25,341.48 × 11,290.44
  4. Step 4: Simplify right side
    18,362.28x = 286,116,459.45
  5. Step 5: Solve for x
    x = 286,116,459.45/18,362.28
  6. Step 6: Final answer
    x = 15,581.75

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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.