Home / 21,923.07-30,253.62-11,851.39

Finding the Fourth Proportional to 21,923.07, 30,253.62 and 11,851.39

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Solution

The fourth proportional to 21,923.07, 30,253.62 and 11,851.39 is: 16,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.07 : 30,253.62 = 11,851.39 : x
  2. Step 2: Convert to fraction form
    21,923.07/30,253.62 = 11,851.39/x
  3. Step 3: Cross multiply
    21,923.07x = 30,253.62 × 11,851.39
  4. Step 4: Simplify right side
    21,923.07x = 358,547,449.53
  5. Step 5: Solve for x
    x = 358,547,449.53/21,923.07
  6. Step 6: Final answer
    x = 16,354.80

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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.