Home / 14,048.06-21,075.12-4,188.15

Finding the Fourth Proportional to 14,048.06, 21,075.12 and 4,188.15

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Solution

The fourth proportional to 14,048.06, 21,075.12 and 4,188.15 is: 6,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.06 : 21,075.12 = 4,188.15 : x
  2. Step 2: Convert to fraction form
    14,048.06/21,075.12 = 4,188.15/x
  3. Step 3: Cross multiply
    14,048.06x = 21,075.12 × 4,188.15
  4. Step 4: Simplify right side
    14,048.06x = 88,265,763.83
  5. Step 5: Solve for x
    x = 88,265,763.83/14,048.06
  6. Step 6: Final answer
    x = 6,283.13

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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.