Home / 15,378.15-23,070.30-4,849.80

Finding the Fourth Proportional to 15,378.15, 23,070.30 and 4,849.80

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Solution

The fourth proportional to 15,378.15, 23,070.30 and 4,849.80 is: 7,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.15 : 23,070.30 = 4,849.80 : x
  2. Step 2: Convert to fraction form
    15,378.15/23,070.30 = 4,849.80/x
  3. Step 3: Cross multiply
    15,378.15x = 23,070.30 × 4,849.80
  4. Step 4: Simplify right side
    15,378.15x = 111,886,328.40
  5. Step 5: Solve for x
    x = 111,886,328.40/15,378.15
  6. Step 6: Final answer
    x = 7,275.67

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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.