Home / 18,869.24-28,302.78-9,015.32

Finding the Fourth Proportional to 18,869.24, 28,302.78 and 9,015.32

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Solution

The fourth proportional to 18,869.24, 28,302.78 and 9,015.32 is: 13,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.24 : 28,302.78 = 9,015.32 : x
  2. Step 2: Convert to fraction form
    18,869.24/28,302.78 = 9,015.32/x
  3. Step 3: Cross multiply
    18,869.24x = 28,302.78 × 9,015.32
  4. Step 4: Simplify right side
    18,869.24x = 255,158,618.59
  5. Step 5: Solve for x
    x = 255,158,618.59/18,869.24
  6. Step 6: Final answer
    x = 13,522.46

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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.