Home / 17,017.84-25,412.05-13,903.98

Finding the Fourth Proportional to 17,017.84, 25,412.05 and 13,903.98

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Solution

The fourth proportional to 17,017.84, 25,412.05 and 13,903.98 is: 20,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.84 : 25,412.05 = 13,903.98 : x
  2. Step 2: Convert to fraction form
    17,017.84/25,412.05 = 13,903.98/x
  3. Step 3: Cross multiply
    17,017.84x = 25,412.05 × 13,903.98
  4. Step 4: Simplify right side
    17,017.84x = 353,328,634.96
  5. Step 5: Solve for x
    x = 353,328,634.96/17,017.84
  6. Step 6: Final answer
    x = 20,762.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.