Home / 15,563.20-23,296.20-12,258.40

Finding the Fourth Proportional to 15,563.20, 23,296.20 and 12,258.40

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Solution

The fourth proportional to 15,563.20, 23,296.20 and 12,258.40 is: 18,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.20 : 23,296.20 = 12,258.40 : x
  2. Step 2: Convert to fraction form
    15,563.20/23,296.20 = 12,258.40/x
  3. Step 3: Cross multiply
    15,563.20x = 23,296.20 × 12,258.40
  4. Step 4: Simplify right side
    15,563.20x = 285,574,138.08
  5. Step 5: Solve for x
    x = 285,574,138.08/15,563.20
  6. Step 6: Final answer
    x = 18,349.32

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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.