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Finding the Fourth Proportional to 8,973.99, 12,384.10 and 5,197.35

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Solution

The fourth proportional to 8,973.99, 12,384.10 and 5,197.35 is: 7,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.99 : 12,384.10 = 5,197.35 : x
  2. Step 2: Convert to fraction form
    8,973.99/12,384.10 = 5,197.35/x
  3. Step 3: Cross multiply
    8,973.99x = 12,384.10 × 5,197.35
  4. Step 4: Simplify right side
    8,973.99x = 64,364,502.14
  5. Step 5: Solve for x
    x = 64,364,502.14/8,973.99
  6. Step 6: Final answer
    x = 7,172.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.