Home / 13,223.98-19,828.99-6,987.34

Finding the Fourth Proportional to 13,223.98, 19,828.99 and 6,987.34

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Solution

The fourth proportional to 13,223.98, 19,828.99 and 6,987.34 is: 10,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.98 : 19,828.99 = 6,987.34 : x
  2. Step 2: Convert to fraction form
    13,223.98/19,828.99 = 6,987.34/x
  3. Step 3: Cross multiply
    13,223.98x = 19,828.99 × 6,987.34
  4. Step 4: Simplify right side
    13,223.98x = 138,551,894.99
  5. Step 5: Solve for x
    x = 138,551,894.99/13,223.98
  6. Step 6: Final answer
    x = 10,477.32

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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.