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Finding the Fourth Proportional to 19,395.42, 29,093.13 and 9,001.50

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Solution

The fourth proportional to 19,395.42, 29,093.13 and 9,001.50 is: 13,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.42 : 29,093.13 = 9,001.50 : x
  2. Step 2: Convert to fraction form
    19,395.42/29,093.13 = 9,001.50/x
  3. Step 3: Cross multiply
    19,395.42x = 29,093.13 × 9,001.50
  4. Step 4: Simplify right side
    19,395.42x = 261,881,809.70
  5. Step 5: Solve for x
    x = 261,881,809.70/19,395.42
  6. Step 6: Final answer
    x = 13,502.25

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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.