Home / 20,866.02-31,304.15-6,075.06

Finding the Fourth Proportional to 20,866.02, 31,304.15 and 6,075.06

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Solution

The fourth proportional to 20,866.02, 31,304.15 and 6,075.06 is: 9,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,866.02 : 31,304.15 = 6,075.06 : x
  2. Step 2: Convert to fraction form
    20,866.02/31,304.15 = 6,075.06/x
  3. Step 3: Cross multiply
    20,866.02x = 31,304.15 × 6,075.06
  4. Step 4: Simplify right side
    20,866.02x = 190,174,589.50
  5. Step 5: Solve for x
    x = 190,174,589.50/20,866.02
  6. Step 6: Final answer
    x = 9,114.08

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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.