Home / 10,128.80-13,973.32-6,097.24

Finding the Fourth Proportional to 10,128.80, 13,973.32 and 6,097.24

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Solution

The fourth proportional to 10,128.80, 13,973.32 and 6,097.24 is: 8,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.80 : 13,973.32 = 6,097.24 : x
  2. Step 2: Convert to fraction form
    10,128.80/13,973.32 = 6,097.24/x
  3. Step 3: Cross multiply
    10,128.80x = 13,973.32 × 6,097.24
  4. Step 4: Simplify right side
    10,128.80x = 85,198,685.64
  5. Step 5: Solve for x
    x = 85,198,685.64/10,128.80
  6. Step 6: Final answer
    x = 8,411.53

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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.