Home / 13,536.81-18,681.03-7,567.83

Finding the Fourth Proportional to 13,536.81, 18,681.03 and 7,567.83

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Solution

The fourth proportional to 13,536.81, 18,681.03 and 7,567.83 is: 10,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.81 : 18,681.03 = 7,567.83 : x
  2. Step 2: Convert to fraction form
    13,536.81/18,681.03 = 7,567.83/x
  3. Step 3: Cross multiply
    13,536.81x = 18,681.03 × 7,567.83
  4. Step 4: Simplify right side
    13,536.81x = 141,374,859.26
  5. Step 5: Solve for x
    x = 141,374,859.26/13,536.81
  6. Step 6: Final answer
    x = 10,443.74

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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.