Home / 19,376.28-29,071.48-11,972.24

Finding the Fourth Proportional to 19,376.28, 29,071.48 and 11,972.24

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Solution

The fourth proportional to 19,376.28, 29,071.48 and 11,972.24 is: 17,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.28 : 29,071.48 = 11,972.24 : x
  2. Step 2: Convert to fraction form
    19,376.28/29,071.48 = 11,972.24/x
  3. Step 3: Cross multiply
    19,376.28x = 29,071.48 × 11,972.24
  4. Step 4: Simplify right side
    19,376.28x = 348,050,735.72
  5. Step 5: Solve for x
    x = 348,050,735.72/19,376.28
  6. Step 6: Final answer
    x = 17,962.72

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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.