Home / 12,971.16-19,439.82-5,948.64

Finding the Fourth Proportional to 12,971.16, 19,439.82 and 5,948.64

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Solution

The fourth proportional to 12,971.16, 19,439.82 and 5,948.64 is: 8,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.16 : 19,439.82 = 5,948.64 : x
  2. Step 2: Convert to fraction form
    12,971.16/19,439.82 = 5,948.64/x
  3. Step 3: Cross multiply
    12,971.16x = 19,439.82 × 5,948.64
  4. Step 4: Simplify right side
    12,971.16x = 115,640,490.84
  5. Step 5: Solve for x
    x = 115,640,490.84/12,971.16
  6. Step 6: Final answer
    x = 8,915.20

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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.