Home / 18,065.07-24,929.87-10,106.78

Finding the Fourth Proportional to 18,065.07, 24,929.87 and 10,106.78

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Solution

The fourth proportional to 18,065.07, 24,929.87 and 10,106.78 is: 13,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.07 : 24,929.87 = 10,106.78 : x
  2. Step 2: Convert to fraction form
    18,065.07/24,929.87 = 10,106.78/x
  3. Step 3: Cross multiply
    18,065.07x = 24,929.87 × 10,106.78
  4. Step 4: Simplify right side
    18,065.07x = 251,960,536.34
  5. Step 5: Solve for x
    x = 251,960,536.34/18,065.07
  6. Step 6: Final answer
    x = 13,947.39

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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.