Home / 12,258.56-16,916.80-6,669.60

Finding the Fourth Proportional to 12,258.56, 16,916.80 and 6,669.60

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Solution

The fourth proportional to 12,258.56, 16,916.80 and 6,669.60 is: 9,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.56 : 16,916.80 = 6,669.60 : x
  2. Step 2: Convert to fraction form
    12,258.56/16,916.80 = 6,669.60/x
  3. Step 3: Cross multiply
    12,258.56x = 16,916.80 × 6,669.60
  4. Step 4: Simplify right side
    12,258.56x = 112,828,289.28
  5. Step 5: Solve for x
    x = 112,828,289.28/12,258.56
  6. Step 6: Final answer
    x = 9,204.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.