Home / 13,250.81-18,286.05-7,585.52

Finding the Fourth Proportional to 13,250.81, 18,286.05 and 7,585.52

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Solution

The fourth proportional to 13,250.81, 18,286.05 and 7,585.52 is: 10,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.81 : 18,286.05 = 7,585.52 : x
  2. Step 2: Convert to fraction form
    13,250.81/18,286.05 = 7,585.52/x
  3. Step 3: Cross multiply
    13,250.81x = 18,286.05 × 7,585.52
  4. Step 4: Simplify right side
    13,250.81x = 138,709,243.71
  5. Step 5: Solve for x
    x = 138,709,243.71/13,250.81
  6. Step 6: Final answer
    x = 10,467.99

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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.