Home / 15,520.25-23,276.51-4,427.03

Finding the Fourth Proportional to 15,520.25, 23,276.51 and 4,427.03

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Solution

The fourth proportional to 15,520.25, 23,276.51 and 4,427.03 is: 6,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.25 : 23,276.51 = 4,427.03 : x
  2. Step 2: Convert to fraction form
    15,520.25/23,276.51 = 4,427.03/x
  3. Step 3: Cross multiply
    15,520.25x = 23,276.51 × 4,427.03
  4. Step 4: Simplify right side
    15,520.25x = 103,045,877.32
  5. Step 5: Solve for x
    x = 103,045,877.32/15,520.25
  6. Step 6: Final answer
    x = 6,639.45

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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.