Home / 9,914.13-13,681.85-5,437.89

Finding the Fourth Proportional to 9,914.13, 13,681.85 and 5,437.89

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Solution

The fourth proportional to 9,914.13, 13,681.85 and 5,437.89 is: 7,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.13 : 13,681.85 = 5,437.89 : x
  2. Step 2: Convert to fraction form
    9,914.13/13,681.85 = 5,437.89/x
  3. Step 3: Cross multiply
    9,914.13x = 13,681.85 × 5,437.89
  4. Step 4: Simplify right side
    9,914.13x = 74,400,395.30
  5. Step 5: Solve for x
    x = 74,400,395.30/9,914.13
  6. Step 6: Final answer
    x = 7,504.48

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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.