Home / 13,341.90-19,995.54-5,435.22

Finding the Fourth Proportional to 13,341.90, 19,995.54 and 5,435.22

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Solution

The fourth proportional to 13,341.90, 19,995.54 and 5,435.22 is: 8,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.90 : 19,995.54 = 5,435.22 : x
  2. Step 2: Convert to fraction form
    13,341.90/19,995.54 = 5,435.22/x
  3. Step 3: Cross multiply
    13,341.90x = 19,995.54 × 5,435.22
  4. Step 4: Simplify right side
    13,341.90x = 108,680,158.92
  5. Step 5: Solve for x
    x = 108,680,158.92/13,341.90
  6. Step 6: Final answer
    x = 8,145.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.