Home / 12,172.04-18,258.40-8,038.52

Finding the Fourth Proportional to 12,172.04, 18,258.40 and 8,038.52

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Solution

The fourth proportional to 12,172.04, 18,258.40 and 8,038.52 is: 12,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172.04 : 18,258.40 = 8,038.52 : x
  2. Step 2: Convert to fraction form
    12,172.04/18,258.40 = 8,038.52/x
  3. Step 3: Cross multiply
    12,172.04x = 18,258.40 × 8,038.52
  4. Step 4: Simplify right side
    12,172.04x = 146,770,513.57
  5. Step 5: Solve for x
    x = 146,770,513.57/12,172.04
  6. Step 6: Final answer
    x = 12,058.00

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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.