Home / 13,256.16-18,293.52-7,287.93

Finding the Fourth Proportional to 13,256.16, 18,293.52 and 7,287.93

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Solution

The fourth proportional to 13,256.16, 18,293.52 and 7,287.93 is: 10,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.16 : 18,293.52 = 7,287.93 : x
  2. Step 2: Convert to fraction form
    13,256.16/18,293.52 = 7,287.93/x
  3. Step 3: Cross multiply
    13,256.16x = 18,293.52 × 7,287.93
  4. Step 4: Simplify right side
    13,256.16x = 133,321,893.21
  5. Step 5: Solve for x
    x = 133,321,893.21/13,256.16
  6. Step 6: Final answer
    x = 10,057.35

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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.