Home / 12,085.46-18,130.04-6,539.59

Finding the Fourth Proportional to 12,085.46, 18,130.04 and 6,539.59

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Solution

The fourth proportional to 12,085.46, 18,130.04 and 6,539.59 is: 9,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.46 : 18,130.04 = 6,539.59 : x
  2. Step 2: Convert to fraction form
    12,085.46/18,130.04 = 6,539.59/x
  3. Step 3: Cross multiply
    12,085.46x = 18,130.04 × 6,539.59
  4. Step 4: Simplify right side
    12,085.46x = 118,563,028.28
  5. Step 5: Solve for x
    x = 118,563,028.28/12,085.46
  6. Step 6: Final answer
    x = 9,810.39

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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.