Home / 12,840.24-19,258.29-4,073.16

Finding the Fourth Proportional to 12,840.24, 19,258.29 and 4,073.16

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Solution

The fourth proportional to 12,840.24, 19,258.29 and 4,073.16 is: 6,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.24 : 19,258.29 = 4,073.16 : x
  2. Step 2: Convert to fraction form
    12,840.24/19,258.29 = 4,073.16/x
  3. Step 3: Cross multiply
    12,840.24x = 19,258.29 × 4,073.16
  4. Step 4: Simplify right side
    12,840.24x = 78,442,096.50
  5. Step 5: Solve for x
    x = 78,442,096.50/12,840.24
  6. Step 6: Final answer
    x = 6,109.08

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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.