Home / 11,215.45-15,477.32-6,502.46

Finding the Fourth Proportional to 11,215.45, 15,477.32 and 6,502.46

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Solution

The fourth proportional to 11,215.45, 15,477.32 and 6,502.46 is: 8,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.45 : 15,477.32 = 6,502.46 : x
  2. Step 2: Convert to fraction form
    11,215.45/15,477.32 = 6,502.46/x
  3. Step 3: Cross multiply
    11,215.45x = 15,477.32 × 6,502.46
  4. Step 4: Simplify right side
    11,215.45x = 100,640,621.69
  5. Step 5: Solve for x
    x = 100,640,621.69/11,215.45
  6. Step 6: Final answer
    x = 8,973.40

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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.