Home / 14,075.06-21,111.36-4,216.55

Finding the Fourth Proportional to 14,075.06, 21,111.36 and 4,216.55

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Solution

The fourth proportional to 14,075.06, 21,111.36 and 4,216.55 is: 6,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.06 : 21,111.36 = 4,216.55 : x
  2. Step 2: Convert to fraction form
    14,075.06/21,111.36 = 4,216.55/x
  3. Step 3: Cross multiply
    14,075.06x = 21,111.36 × 4,216.55
  4. Step 4: Simplify right side
    14,075.06x = 89,016,999.45
  5. Step 5: Solve for x
    x = 89,016,999.45/14,075.06
  6. Step 6: Final answer
    x = 6,324.45

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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.