Home / 13,135.93-19,703.09-4,251.07

Finding the Fourth Proportional to 13,135.93, 19,703.09 and 4,251.07

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Solution

The fourth proportional to 13,135.93, 19,703.09 and 4,251.07 is: 6,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.93 : 19,703.09 = 4,251.07 : x
  2. Step 2: Convert to fraction form
    13,135.93/19,703.09 = 4,251.07/x
  3. Step 3: Cross multiply
    13,135.93x = 19,703.09 × 4,251.07
  4. Step 4: Simplify right side
    13,135.93x = 83,759,214.81
  5. Step 5: Solve for x
    x = 83,759,214.81/13,135.93
  6. Step 6: Final answer
    x = 6,376.34

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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.