Home / 19,721.36-29,573.96-9,848.88

Finding the Fourth Proportional to 19,721.36, 29,573.96 and 9,848.88

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Solution

The fourth proportional to 19,721.36, 29,573.96 and 9,848.88 is: 14,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.36 : 29,573.96 = 9,848.88 : x
  2. Step 2: Convert to fraction form
    19,721.36/29,573.96 = 9,848.88/x
  3. Step 3: Cross multiply
    19,721.36x = 29,573.96 × 9,848.88
  4. Step 4: Simplify right side
    19,721.36x = 291,270,383.16
  5. Step 5: Solve for x
    x = 291,270,383.16/19,721.36
  6. Step 6: Final answer
    x = 14,769.28

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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.