Home / 28,886.36-43,320.93-12,246.12

Finding the Fourth Proportional to 28,886.36, 43,320.93 and 12,246.12

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Solution

The fourth proportional to 28,886.36, 43,320.93 and 12,246.12 is: 18,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.36 : 43,320.93 = 12,246.12 : x
  2. Step 2: Convert to fraction form
    28,886.36/43,320.93 = 12,246.12/x
  3. Step 3: Cross multiply
    28,886.36x = 43,320.93 × 12,246.12
  4. Step 4: Simplify right side
    28,886.36x = 530,513,261.37
  5. Step 5: Solve for x
    x = 530,513,261.37/28,886.36
  6. Step 6: Final answer
    x = 18,365.53

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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.