Home / 13,256.04-18,293.10-7,287.66

Finding the Fourth Proportional to 13,256.04, 18,293.10 and 7,287.66

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Solution

The fourth proportional to 13,256.04, 18,293.10 and 7,287.66 is: 10,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.04 : 18,293.10 = 7,287.66 : x
  2. Step 2: Convert to fraction form
    13,256.04/18,293.10 = 7,287.66/x
  3. Step 3: Cross multiply
    13,256.04x = 18,293.10 × 7,287.66
  4. Step 4: Simplify right side
    13,256.04x = 133,313,893.15
  5. Step 5: Solve for x
    x = 133,313,893.15/13,256.04
  6. Step 6: Final answer
    x = 10,056.84

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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.