Home / 18,028.40-24,878.31-10,070.45

Finding the Fourth Proportional to 18,028.40, 24,878.31 and 10,070.45

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Solution

The fourth proportional to 18,028.40, 24,878.31 and 10,070.45 is: 13,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.40 : 24,878.31 = 10,070.45 : x
  2. Step 2: Convert to fraction form
    18,028.40/24,878.31 = 10,070.45/x
  3. Step 3: Cross multiply
    18,028.40x = 24,878.31 × 10,070.45
  4. Step 4: Simplify right side
    18,028.40x = 250,535,652.55
  5. Step 5: Solve for x
    x = 250,535,652.55/18,028.40
  6. Step 6: Final answer
    x = 13,896.73

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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.