Home / 13,235.79-19,932.93-12,054.81

Finding the Fourth Proportional to 13,235.79, 19,932.93 and 12,054.81

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Solution

The fourth proportional to 13,235.79, 19,932.93 and 12,054.81 is: 18,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.79 : 19,932.93 = 12,054.81 : x
  2. Step 2: Convert to fraction form
    13,235.79/19,932.93 = 12,054.81/x
  3. Step 3: Cross multiply
    13,235.79x = 19,932.93 × 12,054.81
  4. Step 4: Simplify right side
    13,235.79x = 240,287,683.89
  5. Step 5: Solve for x
    x = 240,287,683.89/13,235.79
  6. Step 6: Final answer
    x = 18,154.39

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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.