Home / 13,334.25-18,386.24-8,547.87

Finding the Fourth Proportional to 13,334.25, 18,386.24 and 8,547.87

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Solution

The fourth proportional to 13,334.25, 18,386.24 and 8,547.87 is: 11,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.25 : 18,386.24 = 8,547.87 : x
  2. Step 2: Convert to fraction form
    13,334.25/18,386.24 = 8,547.87/x
  3. Step 3: Cross multiply
    13,334.25x = 18,386.24 × 8,547.87
  4. Step 4: Simplify right side
    13,334.25x = 157,163,146.57
  5. Step 5: Solve for x
    x = 157,163,146.57/13,334.25
  6. Step 6: Final answer
    x = 11,786.43

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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.