Home / 13,562.94-18,697.59-9,971.56

Finding the Fourth Proportional to 13,562.94, 18,697.59 and 9,971.56

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Solution

The fourth proportional to 13,562.94, 18,697.59 and 9,971.56 is: 13,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.94 : 18,697.59 = 9,971.56 : x
  2. Step 2: Convert to fraction form
    13,562.94/18,697.59 = 9,971.56/x
  3. Step 3: Cross multiply
    13,562.94x = 18,697.59 × 9,971.56
  4. Step 4: Simplify right side
    13,562.94x = 186,444,093.80
  5. Step 5: Solve for x
    x = 186,444,093.80/13,562.94
  6. Step 6: Final answer
    x = 13,746.58

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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.