Home / 18,030.60-27,026.73-10,638.54

Finding the Fourth Proportional to 18,030.60, 27,026.73 and 10,638.54

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Solution

The fourth proportional to 18,030.60, 27,026.73 and 10,638.54 is: 15,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.60 : 27,026.73 = 10,638.54 : x
  2. Step 2: Convert to fraction form
    18,030.60/27,026.73 = 10,638.54/x
  3. Step 3: Cross multiply
    18,030.60x = 27,026.73 × 10,638.54
  4. Step 4: Simplify right side
    18,030.60x = 287,524,948.17
  5. Step 5: Solve for x
    x = 287,524,948.17/18,030.60
  6. Step 6: Final answer
    x = 15,946.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.