Home / 13,535.36-18,677.40-7,566.86

Finding the Fourth Proportional to 13,535.36, 18,677.40 and 7,566.86

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Solution

The fourth proportional to 13,535.36, 18,677.40 and 7,566.86 is: 10,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.36 : 18,677.40 = 7,566.86 : x
  2. Step 2: Convert to fraction form
    13,535.36/18,677.40 = 7,566.86/x
  3. Step 3: Cross multiply
    13,535.36x = 18,677.40 × 7,566.86
  4. Step 4: Simplify right side
    13,535.36x = 141,329,270.96
  5. Step 5: Solve for x
    x = 141,329,270.96/13,535.36
  6. Step 6: Final answer
    x = 10,441.49

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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.