Home / 10,190.79-14,061.34-6,156.80

Finding the Fourth Proportional to 10,190.79, 14,061.34 and 6,156.80

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Solution

The fourth proportional to 10,190.79, 14,061.34 and 6,156.80 is: 8,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.79 : 14,061.34 = 6,156.80 : x
  2. Step 2: Convert to fraction form
    10,190.79/14,061.34 = 6,156.80/x
  3. Step 3: Cross multiply
    10,190.79x = 14,061.34 × 6,156.80
  4. Step 4: Simplify right side
    10,190.79x = 86,572,877.87
  5. Step 5: Solve for x
    x = 86,572,877.87/10,190.79
  6. Step 6: Final answer
    x = 8,495.21

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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.