Home / 11,141.04-15,376.32-6,424.32

Finding the Fourth Proportional to 11,141.04, 15,376.32 and 6,424.32

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Solution

The fourth proportional to 11,141.04, 15,376.32 and 6,424.32 is: 8,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.04 : 15,376.32 = 6,424.32 : x
  2. Step 2: Convert to fraction form
    11,141.04/15,376.32 = 6,424.32/x
  3. Step 3: Cross multiply
    11,141.04x = 15,376.32 × 6,424.32
  4. Step 4: Simplify right side
    11,141.04x = 98,782,400.10
  5. Step 5: Solve for x
    x = 98,782,400.10/11,141.04
  6. Step 6: Final answer
    x = 8,866.53

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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.