Home / 14,242.61-21,356.57-8,331.03

Finding the Fourth Proportional to 14,242.61, 21,356.57 and 8,331.03

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Solution

The fourth proportional to 14,242.61, 21,356.57 and 8,331.03 is: 12,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.61 : 21,356.57 = 8,331.03 : x
  2. Step 2: Convert to fraction form
    14,242.61/21,356.57 = 8,331.03/x
  3. Step 3: Cross multiply
    14,242.61x = 21,356.57 × 8,331.03
  4. Step 4: Simplify right side
    14,242.61x = 177,922,225.37
  5. Step 5: Solve for x
    x = 177,922,225.37/14,242.61
  6. Step 6: Final answer
    x = 12,492.25

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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.