Home / 13,911.07-20,814.28-9,759.17

Finding the Fourth Proportional to 13,911.07, 20,814.28 and 9,759.17

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Solution

The fourth proportional to 13,911.07, 20,814.28 and 9,759.17 is: 14,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.07 : 20,814.28 = 9,759.17 : x
  2. Step 2: Convert to fraction form
    13,911.07/20,814.28 = 9,759.17/x
  3. Step 3: Cross multiply
    13,911.07x = 20,814.28 × 9,759.17
  4. Step 4: Simplify right side
    13,911.07x = 203,130,096.95
  5. Step 5: Solve for x
    x = 203,130,096.95/13,911.07
  6. Step 6: Final answer
    x = 14,602.05

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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.