Home / 13,536.45-18,680.90-7,568.10

Finding the Fourth Proportional to 13,536.45, 18,680.90 and 7,568.10

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Solution

The fourth proportional to 13,536.45, 18,680.90 and 7,568.10 is: 10,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.45 : 18,680.90 = 7,568.10 : x
  2. Step 2: Convert to fraction form
    13,536.45/18,680.90 = 7,568.10/x
  3. Step 3: Cross multiply
    13,536.45x = 18,680.90 × 7,568.10
  4. Step 4: Simplify right side
    13,536.45x = 141,378,881.45
  5. Step 5: Solve for x
    x = 141,378,881.45/13,536.45
  6. Step 6: Final answer
    x = 10,444.31

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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.