Home / 13,821.51-19,074.48-10,458.50

Finding the Fourth Proportional to 13,821.51, 19,074.48 and 10,458.50

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Solution

The fourth proportional to 13,821.51, 19,074.48 and 10,458.50 is: 14,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.51 : 19,074.48 = 10,458.50 : x
  2. Step 2: Convert to fraction form
    13,821.51/19,074.48 = 10,458.50/x
  3. Step 3: Cross multiply
    13,821.51x = 19,074.48 × 10,458.50
  4. Step 4: Simplify right side
    13,821.51x = 199,490,353.71
  5. Step 5: Solve for x
    x = 199,490,353.71/13,821.51
  6. Step 6: Final answer
    x = 14,433.33

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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.