Home / 15,366.90-23,047.20-4,270.80

Finding the Fourth Proportional to 15,366.90, 23,047.20 and 4,270.80

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Solution

The fourth proportional to 15,366.90, 23,047.20 and 4,270.80 is: 6,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.90 : 23,047.20 = 4,270.80 : x
  2. Step 2: Convert to fraction form
    15,366.90/23,047.20 = 4,270.80/x
  3. Step 3: Cross multiply
    15,366.90x = 23,047.20 × 4,270.80
  4. Step 4: Simplify right side
    15,366.90x = 98,429,981.76
  5. Step 5: Solve for x
    x = 98,429,981.76/15,366.90
  6. Step 6: Final answer
    x = 6,405.32

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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.