Home / 21,292.74-31,925.21-10,199.07

Finding the Fourth Proportional to 21,292.74, 31,925.21 and 10,199.07

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Solution

The fourth proportional to 21,292.74, 31,925.21 and 10,199.07 is: 15,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.74 : 31,925.21 = 10,199.07 : x
  2. Step 2: Convert to fraction form
    21,292.74/31,925.21 = 10,199.07/x
  3. Step 3: Cross multiply
    21,292.74x = 31,925.21 × 10,199.07
  4. Step 4: Simplify right side
    21,292.74x = 325,607,400.56
  5. Step 5: Solve for x
    x = 325,607,400.56/21,292.74
  6. Step 6: Final answer
    x = 15,291.94

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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.