Home / 12,506.46-17,258.19-6,840.08

Finding the Fourth Proportional to 12,506.46, 17,258.19 and 6,840.08

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Solution

The fourth proportional to 12,506.46, 17,258.19 and 6,840.08 is: 9,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.46 : 17,258.19 = 6,840.08 : x
  2. Step 2: Convert to fraction form
    12,506.46/17,258.19 = 6,840.08/x
  3. Step 3: Cross multiply
    12,506.46x = 17,258.19 × 6,840.08
  4. Step 4: Simplify right side
    12,506.46x = 118,047,313.96
  5. Step 5: Solve for x
    x = 118,047,313.96/12,506.46
  6. Step 6: Final answer
    x = 9,438.91

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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.