Home / 10,021.98-13,830.87-6,297.18

Finding the Fourth Proportional to 10,021.98, 13,830.87 and 6,297.18

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Solution

The fourth proportional to 10,021.98, 13,830.87 and 6,297.18 is: 8,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.98 : 13,830.87 = 6,297.18 : x
  2. Step 2: Convert to fraction form
    10,021.98/13,830.87 = 6,297.18/x
  3. Step 3: Cross multiply
    10,021.98x = 13,830.87 × 6,297.18
  4. Step 4: Simplify right side
    10,021.98x = 87,095,477.95
  5. Step 5: Solve for x
    x = 87,095,477.95/10,021.98
  6. Step 6: Final answer
    x = 8,690.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.