Home / 15,263.93-21,028.25-14,345.39

Finding the Fourth Proportional to 15,263.93, 21,028.25 and 14,345.39

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Solution

The fourth proportional to 15,263.93, 21,028.25 and 14,345.39 is: 19,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.93 : 21,028.25 = 14,345.39 : x
  2. Step 2: Convert to fraction form
    15,263.93/21,028.25 = 14,345.39/x
  3. Step 3: Cross multiply
    15,263.93x = 21,028.25 × 14,345.39
  4. Step 4: Simplify right side
    15,263.93x = 301,658,447.27
  5. Step 5: Solve for x
    x = 301,658,447.27/15,263.93
  6. Step 6: Final answer
    x = 19,762.83

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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.