Home / 15,784.78-23,670.99-5,918.67

Finding the Fourth Proportional to 15,784.78, 23,670.99 and 5,918.67

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Solution

The fourth proportional to 15,784.78, 23,670.99 and 5,918.67 is: 8,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.78 : 23,670.99 = 5,918.67 : x
  2. Step 2: Convert to fraction form
    15,784.78/23,670.99 = 5,918.67/x
  3. Step 3: Cross multiply
    15,784.78x = 23,670.99 × 5,918.67
  4. Step 4: Simplify right side
    15,784.78x = 140,100,778.38
  5. Step 5: Solve for x
    x = 140,100,778.38/15,784.78
  6. Step 6: Final answer
    x = 8,875.69

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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.