Home / 13,232.79-19,928.40-12,051.81

Finding the Fourth Proportional to 13,232.79, 19,928.40 and 12,051.81

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Solution

The fourth proportional to 13,232.79, 19,928.40 and 12,051.81 is: 18,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.79 : 19,928.40 = 12,051.81 : x
  2. Step 2: Convert to fraction form
    13,232.79/19,928.40 = 12,051.81/x
  3. Step 3: Cross multiply
    13,232.79x = 19,928.40 × 12,051.81
  4. Step 4: Simplify right side
    13,232.79x = 240,173,290.40
  5. Step 5: Solve for x
    x = 240,173,290.40/13,232.79
  6. Step 6: Final answer
    x = 18,149.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.