Home / 15,518.12-23,258.04-7,186.68

Finding the Fourth Proportional to 15,518.12, 23,258.04 and 7,186.68

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Solution

The fourth proportional to 15,518.12, 23,258.04 and 7,186.68 is: 10,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.12 : 23,258.04 = 7,186.68 : x
  2. Step 2: Convert to fraction form
    15,518.12/23,258.04 = 7,186.68/x
  3. Step 3: Cross multiply
    15,518.12x = 23,258.04 × 7,186.68
  4. Step 4: Simplify right side
    15,518.12x = 167,148,090.91
  5. Step 5: Solve for x
    x = 167,148,090.91/15,518.12
  6. Step 6: Final answer
    x = 10,771.16

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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.