Home / 21,657.06-32,486.80-6,075.90

Finding the Fourth Proportional to 21,657.06, 32,486.80 and 6,075.90

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Solution

The fourth proportional to 21,657.06, 32,486.80 and 6,075.90 is: 9,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.06 : 32,486.80 = 6,075.90 : x
  2. Step 2: Convert to fraction form
    21,657.06/32,486.80 = 6,075.90/x
  3. Step 3: Cross multiply
    21,657.06x = 32,486.80 × 6,075.90
  4. Step 4: Simplify right side
    21,657.06x = 197,386,548.12
  5. Step 5: Solve for x
    x = 197,386,548.12/21,657.06
  6. Step 6: Final answer
    x = 9,114.19

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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.