Home / 9,914.26-13,681.86-5,437.74

Finding the Fourth Proportional to 9,914.26, 13,681.86 and 5,437.74

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Solution

The fourth proportional to 9,914.26, 13,681.86 and 5,437.74 is: 7,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.26 : 13,681.86 = 5,437.74 : x
  2. Step 2: Convert to fraction form
    9,914.26/13,681.86 = 5,437.74/x
  3. Step 3: Cross multiply
    9,914.26x = 13,681.86 × 5,437.74
  4. Step 4: Simplify right side
    9,914.26x = 74,398,397.40
  5. Step 5: Solve for x
    x = 74,398,397.40/9,914.26
  6. Step 6: Final answer
    x = 7,504.18

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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.