Home / 13,544.72-18,673.80-9,764.72

Finding the Fourth Proportional to 13,544.72, 18,673.80 and 9,764.72

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Solution

The fourth proportional to 13,544.72, 18,673.80 and 9,764.72 is: 13,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.72 : 18,673.80 = 9,764.72 : x
  2. Step 2: Convert to fraction form
    13,544.72/18,673.80 = 9,764.72/x
  3. Step 3: Cross multiply
    13,544.72x = 18,673.80 × 9,764.72
  4. Step 4: Simplify right side
    13,544.72x = 182,344,428.34
  5. Step 5: Solve for x
    x = 182,344,428.34/13,544.72
  6. Step 6: Final answer
    x = 13,462.40

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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.