Home / 14,292.21-19,729.68-10,756.56

Finding the Fourth Proportional to 14,292.21, 19,729.68 and 10,756.56

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Solution

The fourth proportional to 14,292.21, 19,729.68 and 10,756.56 is: 14,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.21 : 19,729.68 = 10,756.56 : x
  2. Step 2: Convert to fraction form
    14,292.21/19,729.68 = 10,756.56/x
  3. Step 3: Cross multiply
    14,292.21x = 19,729.68 × 10,756.56
  4. Step 4: Simplify right side
    14,292.21x = 212,223,486.70
  5. Step 5: Solve for x
    x = 212,223,486.70/14,292.21
  6. Step 6: Final answer
    x = 14,848.89

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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.