Home / 12,845.50-19,268.26-4,637.50

Finding the Fourth Proportional to 12,845.50, 19,268.26 and 4,637.50

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Solution

The fourth proportional to 12,845.50, 19,268.26 and 4,637.50 is: 6,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.50 : 19,268.26 = 4,637.50 : x
  2. Step 2: Convert to fraction form
    12,845.50/19,268.26 = 4,637.50/x
  3. Step 3: Cross multiply
    12,845.50x = 19,268.26 × 4,637.50
  4. Step 4: Simplify right side
    12,845.50x = 89,356,555.75
  5. Step 5: Solve for x
    x = 89,356,555.75/12,845.50
  6. Step 6: Final answer
    x = 6,956.25

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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.