Home / 15,373.53-23,078.52-12,938.67

Finding the Fourth Proportional to 15,373.53, 23,078.52 and 12,938.67

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Solution

The fourth proportional to 15,373.53, 23,078.52 and 12,938.67 is: 19,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.53 : 23,078.52 = 12,938.67 : x
  2. Step 2: Convert to fraction form
    15,373.53/23,078.52 = 12,938.67/x
  3. Step 3: Cross multiply
    15,373.53x = 23,078.52 × 12,938.67
  4. Step 4: Simplify right side
    15,373.53x = 298,605,354.37
  5. Step 5: Solve for x
    x = 298,605,354.37/15,373.53
  6. Step 6: Final answer
    x = 19,423.34

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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.