Home / 14,643.90-20,203.65-8,269.59

Finding the Fourth Proportional to 14,643.90, 20,203.65 and 8,269.59

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Solution

The fourth proportional to 14,643.90, 20,203.65 and 8,269.59 is: 11,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.90 : 20,203.65 = 8,269.59 : x
  2. Step 2: Convert to fraction form
    14,643.90/20,203.65 = 8,269.59/x
  3. Step 3: Cross multiply
    14,643.90x = 20,203.65 × 8,269.59
  4. Step 4: Simplify right side
    14,643.90x = 167,075,902.00
  5. Step 5: Solve for x
    x = 167,075,902.00/14,643.90
  6. Step 6: Final answer
    x = 11,409.25

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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.