Home / 13,284.32-18,332.35-7,315.97

Finding the Fourth Proportional to 13,284.32, 18,332.35 and 7,315.97

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Solution

The fourth proportional to 13,284.32, 18,332.35 and 7,315.97 is: 10,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.32 : 18,332.35 = 7,315.97 : x
  2. Step 2: Convert to fraction form
    13,284.32/18,332.35 = 7,315.97/x
  3. Step 3: Cross multiply
    13,284.32x = 18,332.35 × 7,315.97
  4. Step 4: Simplify right side
    13,284.32x = 134,118,922.63
  5. Step 5: Solve for x
    x = 134,118,922.63/13,284.32
  6. Step 6: Final answer
    x = 10,096.04

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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.