Home / 13,475.53-18,595.61-7,507.14

Finding the Fourth Proportional to 13,475.53, 18,595.61 and 7,507.14

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Solution

The fourth proportional to 13,475.53, 18,595.61 and 7,507.14 is: 10,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.53 : 18,595.61 = 7,507.14 : x
  2. Step 2: Convert to fraction form
    13,475.53/18,595.61 = 7,507.14/x
  3. Step 3: Cross multiply
    13,475.53x = 18,595.61 × 7,507.14
  4. Step 4: Simplify right side
    13,475.53x = 139,599,847.66
  5. Step 5: Solve for x
    x = 139,599,847.66/13,475.53
  6. Step 6: Final answer
    x = 10,359.51

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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.