Home / 13,150.51-19,725.93-4,385.42

Finding the Fourth Proportional to 13,150.51, 19,725.93 and 4,385.42

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Solution

The fourth proportional to 13,150.51, 19,725.93 and 4,385.42 is: 6,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.51 : 19,725.93 = 4,385.42 : x
  2. Step 2: Convert to fraction form
    13,150.51/19,725.93 = 4,385.42/x
  3. Step 3: Cross multiply
    13,150.51x = 19,725.93 × 4,385.42
  4. Step 4: Simplify right side
    13,150.51x = 86,506,487.94
  5. Step 5: Solve for x
    x = 86,506,487.94/13,150.51
  6. Step 6: Final answer
    x = 6,578.19

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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.