Home / 13,435.95-18,541.62-7,467.62

Finding the Fourth Proportional to 13,435.95, 18,541.62 and 7,467.62

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Solution

The fourth proportional to 13,435.95, 18,541.62 and 7,467.62 is: 10,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.95 : 18,541.62 = 7,467.62 : x
  2. Step 2: Convert to fraction form
    13,435.95/18,541.62 = 7,467.62/x
  3. Step 3: Cross multiply
    13,435.95x = 18,541.62 × 7,467.62
  4. Step 4: Simplify right side
    13,435.95x = 138,461,794.84
  5. Step 5: Solve for x
    x = 138,461,794.84/13,435.95
  6. Step 6: Final answer
    x = 10,305.32

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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.