Home / 9,729.52-13,426.62-5,537.74

Finding the Fourth Proportional to 9,729.52, 13,426.62 and 5,537.74

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Solution

The fourth proportional to 9,729.52, 13,426.62 and 5,537.74 is: 7,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.52 : 13,426.62 = 5,537.74 : x
  2. Step 2: Convert to fraction form
    9,729.52/13,426.62 = 5,537.74/x
  3. Step 3: Cross multiply
    9,729.52x = 13,426.62 × 5,537.74
  4. Step 4: Simplify right side
    9,729.52x = 74,353,130.64
  5. Step 5: Solve for x
    x = 74,353,130.64/9,729.52
  6. Step 6: Final answer
    x = 7,642.01

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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.