Home / 9,914.07-13,681.30-5,376.68

Finding the Fourth Proportional to 9,914.07, 13,681.30 and 5,376.68

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Solution

The fourth proportional to 9,914.07, 13,681.30 and 5,376.68 is: 7,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.07 : 13,681.30 = 5,376.68 : x
  2. Step 2: Convert to fraction form
    9,914.07/13,681.30 = 5,376.68/x
  3. Step 3: Cross multiply
    9,914.07x = 13,681.30 × 5,376.68
  4. Step 4: Simplify right side
    9,914.07x = 73,559,972.08
  5. Step 5: Solve for x
    x = 73,559,972.08/9,914.07
  6. Step 6: Final answer
    x = 7,419.76

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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.