Home / 15,509.75-23,266.78-4,977.30

Finding the Fourth Proportional to 15,509.75, 23,266.78 and 4,977.30

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Solution

The fourth proportional to 15,509.75, 23,266.78 and 4,977.30 is: 7,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.75 : 23,266.78 = 4,977.30 : x
  2. Step 2: Convert to fraction form
    15,509.75/23,266.78 = 4,977.30/x
  3. Step 3: Cross multiply
    15,509.75x = 23,266.78 × 4,977.30
  4. Step 4: Simplify right side
    15,509.75x = 115,805,744.09
  5. Step 5: Solve for x
    x = 115,805,744.09/15,509.75
  6. Step 6: Final answer
    x = 7,466.64

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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.