Home / 13,604.29-20,417.37-7,032.40

Finding the Fourth Proportional to 13,604.29, 20,417.37 and 7,032.40

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Solution

The fourth proportional to 13,604.29, 20,417.37 and 7,032.40 is: 10,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.29 : 20,417.37 = 7,032.40 : x
  2. Step 2: Convert to fraction form
    13,604.29/20,417.37 = 7,032.40/x
  3. Step 3: Cross multiply
    13,604.29x = 20,417.37 × 7,032.40
  4. Step 4: Simplify right side
    13,604.29x = 143,583,112.79
  5. Step 5: Solve for x
    x = 143,583,112.79/13,604.29
  6. Step 6: Final answer
    x = 10,554.25

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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.