Home / 13,064.12-18,028.64-7,095.89

Finding the Fourth Proportional to 13,064.12, 18,028.64 and 7,095.89

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Solution

The fourth proportional to 13,064.12, 18,028.64 and 7,095.89 is: 9,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.12 : 18,028.64 = 7,095.89 : x
  2. Step 2: Convert to fraction form
    13,064.12/18,028.64 = 7,095.89/x
  3. Step 3: Cross multiply
    13,064.12x = 18,028.64 × 7,095.89
  4. Step 4: Simplify right side
    13,064.12x = 127,929,173.89
  5. Step 5: Solve for x
    x = 127,929,173.89/13,064.12
  6. Step 6: Final answer
    x = 9,792.41

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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.