Home / 13,599.35-18,766.81-7,632.47

Finding the Fourth Proportional to 13,599.35, 18,766.81 and 7,632.47

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Solution

The fourth proportional to 13,599.35, 18,766.81 and 7,632.47 is: 10,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.35 : 18,766.81 = 7,632.47 : x
  2. Step 2: Convert to fraction form
    13,599.35/18,766.81 = 7,632.47/x
  3. Step 3: Cross multiply
    13,599.35x = 18,766.81 × 7,632.47
  4. Step 4: Simplify right side
    13,599.35x = 143,237,114.32
  5. Step 5: Solve for x
    x = 143,237,114.32/13,599.35
  6. Step 6: Final answer
    x = 10,532.64

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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.