Home / 11,276.32-16,916.40-3,485.60

Finding the Fourth Proportional to 11,276.32, 16,916.40 and 3,485.60

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Solution

The fourth proportional to 11,276.32, 16,916.40 and 3,485.60 is: 5,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.32 : 16,916.40 = 3,485.60 : x
  2. Step 2: Convert to fraction form
    11,276.32/16,916.40 = 3,485.60/x
  3. Step 3: Cross multiply
    11,276.32x = 16,916.40 × 3,485.60
  4. Step 4: Simplify right side
    11,276.32x = 58,963,803.84
  5. Step 5: Solve for x
    x = 58,963,803.84/11,276.32
  6. Step 6: Final answer
    x = 5,228.99

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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.