Home / 17,911.96-26,867.95-13,759.40

Finding the Fourth Proportional to 17,911.96, 26,867.95 and 13,759.40

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Solution

The fourth proportional to 17,911.96, 26,867.95 and 13,759.40 is: 20,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.96 : 26,867.95 = 13,759.40 : x
  2. Step 2: Convert to fraction form
    17,911.96/26,867.95 = 13,759.40/x
  3. Step 3: Cross multiply
    17,911.96x = 26,867.95 × 13,759.40
  4. Step 4: Simplify right side
    17,911.96x = 369,686,904.00
  5. Step 5: Solve for x
    x = 369,686,904.00/17,911.96
  6. Step 6: Final answer
    x = 20,639.11

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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.