Home / 13,077.12-19,562.16-10,888.80

Finding the Fourth Proportional to 13,077.12, 19,562.16 and 10,888.80

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Solution

The fourth proportional to 13,077.12, 19,562.16 and 10,888.80 is: 16,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.12 : 19,562.16 = 10,888.80 : x
  2. Step 2: Convert to fraction form
    13,077.12/19,562.16 = 10,888.80/x
  3. Step 3: Cross multiply
    13,077.12x = 19,562.16 × 10,888.80
  4. Step 4: Simplify right side
    13,077.12x = 213,008,447.81
  5. Step 5: Solve for x
    x = 213,008,447.81/13,077.12
  6. Step 6: Final answer
    x = 16,288.64

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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.