Home / 17,655.70-24,386.42-13,199.23

Finding the Fourth Proportional to 17,655.70, 24,386.42 and 13,199.23

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Solution

The fourth proportional to 17,655.70, 24,386.42 and 13,199.23 is: 18,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.70 : 24,386.42 = 13,199.23 : x
  2. Step 2: Convert to fraction form
    17,655.70/24,386.42 = 13,199.23/x
  3. Step 3: Cross multiply
    17,655.70x = 24,386.42 × 13,199.23
  4. Step 4: Simplify right side
    17,655.70x = 321,881,887.11
  5. Step 5: Solve for x
    x = 321,881,887.11/17,655.70
  6. Step 6: Final answer
    x = 18,231.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.