Home / 13,133.95-19,701.21-7,327.51

Finding the Fourth Proportional to 13,133.95, 19,701.21 and 7,327.51

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Solution

The fourth proportional to 13,133.95, 19,701.21 and 7,327.51 is: 10,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.95 : 19,701.21 = 7,327.51 : x
  2. Step 2: Convert to fraction form
    13,133.95/19,701.21 = 7,327.51/x
  3. Step 3: Cross multiply
    13,133.95x = 19,701.21 × 7,327.51
  4. Step 4: Simplify right side
    13,133.95x = 144,360,813.29
  5. Step 5: Solve for x
    x = 144,360,813.29/13,133.95
  6. Step 6: Final answer
    x = 10,991.42

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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.