Home / 15,845.20-23,719.20-14,970.40

Finding the Fourth Proportional to 15,845.20, 23,719.20 and 14,970.40

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Solution

The fourth proportional to 15,845.20, 23,719.20 and 14,970.40 is: 22,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.20 : 23,719.20 = 14,970.40 : x
  2. Step 2: Convert to fraction form
    15,845.20/23,719.20 = 14,970.40/x
  3. Step 3: Cross multiply
    15,845.20x = 23,719.20 × 14,970.40
  4. Step 4: Simplify right side
    15,845.20x = 355,085,911.68
  5. Step 5: Solve for x
    x = 355,085,911.68/15,845.20
  6. Step 6: Final answer
    x = 22,409.68

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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.