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Finding the Fourth Proportional to 13,572, 20,358 and 5,364

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Solution

The fourth proportional to 13,572, 20,358 and 5,364 is: 8,046

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572 : 20,358 = 5,364 : x
  2. Step 2: Convert to fraction form
    13,572/20,358 = 5,364/x
  3. Step 3: Cross multiply
    13,572x = 20,358 × 5,364
  4. Step 4: Simplify right side
    13,572x = 109,200,312
  5. Step 5: Solve for x
    x = 109,200,312/13,572
  6. Step 6: Final answer
    x = 8,046

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.