Home / 13,017.51-19,521.81-4,250.25

Finding the Fourth Proportional to 13,017.51, 19,521.81 and 4,250.25

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Solution

The fourth proportional to 13,017.51, 19,521.81 and 4,250.25 is: 6,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.51 : 19,521.81 = 4,250.25 : x
  2. Step 2: Convert to fraction form
    13,017.51/19,521.81 = 4,250.25/x
  3. Step 3: Cross multiply
    13,017.51x = 19,521.81 × 4,250.25
  4. Step 4: Simplify right side
    13,017.51x = 82,972,572.95
  5. Step 5: Solve for x
    x = 82,972,572.95/13,017.51
  6. Step 6: Final answer
    x = 6,373.92

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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.