Home / 10,622.48-14,657.96-8,106.21

Finding the Fourth Proportional to 10,622.48, 14,657.96 and 8,106.21

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Solution

The fourth proportional to 10,622.48, 14,657.96 and 8,106.21 is: 11,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.48 : 14,657.96 = 8,106.21 : x
  2. Step 2: Convert to fraction form
    10,622.48/14,657.96 = 8,106.21/x
  3. Step 3: Cross multiply
    10,622.48x = 14,657.96 × 8,106.21
  4. Step 4: Simplify right side
    10,622.48x = 118,820,522.20
  5. Step 5: Solve for x
    x = 118,820,522.20/10,622.48
  6. Step 6: Final answer
    x = 11,185.77

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1.5x scale

Why These Related Problems?

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