Home / 15,505.50-23,255.74-4,258.22

Finding the Fourth Proportional to 15,505.50, 23,255.74 and 4,258.22

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Solution

The fourth proportional to 15,505.50, 23,255.74 and 4,258.22 is: 6,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.50 : 23,255.74 = 4,258.22 : x
  2. Step 2: Convert to fraction form
    15,505.50/23,255.74 = 4,258.22/x
  3. Step 3: Cross multiply
    15,505.50x = 23,255.74 × 4,258.22
  4. Step 4: Simplify right side
    15,505.50x = 99,028,057.18
  5. Step 5: Solve for x
    x = 99,028,057.18/15,505.50
  6. Step 6: Final answer
    x = 6,386.64

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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.