Home / 13,285.23-19,918.53-5,885.67

Finding the Fourth Proportional to 13,285.23, 19,918.53 and 5,885.67

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Solution

The fourth proportional to 13,285.23, 19,918.53 and 5,885.67 is: 8,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.23 : 19,918.53 = 5,885.67 : x
  2. Step 2: Convert to fraction form
    13,285.23/19,918.53 = 5,885.67/x
  3. Step 3: Cross multiply
    13,285.23x = 19,918.53 × 5,885.67
  4. Step 4: Simplify right side
    13,285.23x = 117,233,894.47
  5. Step 5: Solve for x
    x = 117,233,894.47/13,285.23
  6. Step 6: Final answer
    x = 8,824.38

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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.