Home / 11,100.04-15,317.94-6,384.20

Finding the Fourth Proportional to 11,100.04, 15,317.94 and 6,384.20

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Solution

The fourth proportional to 11,100.04, 15,317.94 and 6,384.20 is: 8,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.04 : 15,317.94 = 6,384.20 : x
  2. Step 2: Convert to fraction form
    11,100.04/15,317.94 = 6,384.20/x
  3. Step 3: Cross multiply
    11,100.04x = 15,317.94 × 6,384.20
  4. Step 4: Simplify right side
    11,100.04x = 97,792,792.55
  5. Step 5: Solve for x
    x = 97,792,792.55/11,100.04
  6. Step 6: Final answer
    x = 8,810.13

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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.