Home / 13,256.46-18,293.03-7,287.84

Finding the Fourth Proportional to 13,256.46, 18,293.03 and 7,287.84

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Solution

The fourth proportional to 13,256.46, 18,293.03 and 7,287.84 is: 10,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.46 : 18,293.03 = 7,287.84 : x
  2. Step 2: Convert to fraction form
    13,256.46/18,293.03 = 7,287.84/x
  3. Step 3: Cross multiply
    13,256.46x = 18,293.03 × 7,287.84
  4. Step 4: Simplify right side
    13,256.46x = 133,316,639.32
  5. Step 5: Solve for x
    x = 133,316,639.32/13,256.46
  6. Step 6: Final answer
    x = 10,056.73

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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.