Home / 13,713.51-20,570.16-3,852.80

Finding the Fourth Proportional to 13,713.51, 20,570.16 and 3,852.80

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Solution

The fourth proportional to 13,713.51, 20,570.16 and 3,852.80 is: 5,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.51 : 20,570.16 = 3,852.80 : x
  2. Step 2: Convert to fraction form
    13,713.51/20,570.16 = 3,852.80/x
  3. Step 3: Cross multiply
    13,713.51x = 20,570.16 × 3,852.80
  4. Step 4: Simplify right side
    13,713.51x = 79,252,712.45
  5. Step 5: Solve for x
    x = 79,252,712.45/13,713.51
  6. Step 6: Final answer
    x = 5,779.17

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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.