Home / 13,535.88-18,679.46-7,567.53

Finding the Fourth Proportional to 13,535.88, 18,679.46 and 7,567.53

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Solution

The fourth proportional to 13,535.88, 18,679.46 and 7,567.53 is: 10,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.88 : 18,679.46 = 7,567.53 : x
  2. Step 2: Convert to fraction form
    13,535.88/18,679.46 = 7,567.53/x
  3. Step 3: Cross multiply
    13,535.88x = 18,679.46 × 7,567.53
  4. Step 4: Simplify right side
    13,535.88x = 141,357,336.10
  5. Step 5: Solve for x
    x = 141,357,336.10/13,535.88
  6. Step 6: Final answer
    x = 10,443.16

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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.