Home / 10,485.27-15,733.35-9,880.20

Finding the Fourth Proportional to 10,485.27, 15,733.35 and 9,880.20

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Solution

The fourth proportional to 10,485.27, 15,733.35 and 9,880.20 is: 14,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.27 : 15,733.35 = 9,880.20 : x
  2. Step 2: Convert to fraction form
    10,485.27/15,733.35 = 9,880.20/x
  3. Step 3: Cross multiply
    10,485.27x = 15,733.35 × 9,880.20
  4. Step 4: Simplify right side
    10,485.27x = 155,448,644.67
  5. Step 5: Solve for x
    x = 155,448,644.67/10,485.27
  6. Step 6: Final answer
    x = 14,825.43

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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.