Home / 12,258.28-16,916.50-6,669.32

Finding the Fourth Proportional to 12,258.28, 16,916.50 and 6,669.32

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Solution

The fourth proportional to 12,258.28, 16,916.50 and 6,669.32 is: 9,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.28 : 16,916.50 = 6,669.32 : x
  2. Step 2: Convert to fraction form
    12,258.28/16,916.50 = 6,669.32/x
  3. Step 3: Cross multiply
    12,258.28x = 16,916.50 × 6,669.32
  4. Step 4: Simplify right side
    12,258.28x = 112,821,551.78
  5. Step 5: Solve for x
    x = 112,821,551.78/12,258.28
  6. Step 6: Final answer
    x = 9,203.70

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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.