Home / 13,070.36-18,037.42-7,101.96

Finding the Fourth Proportional to 13,070.36, 18,037.42 and 7,101.96

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Solution

The fourth proportional to 13,070.36, 18,037.42 and 7,101.96 is: 9,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.36 : 18,037.42 = 7,101.96 : x
  2. Step 2: Convert to fraction form
    13,070.36/18,037.42 = 7,101.96/x
  3. Step 3: Cross multiply
    13,070.36x = 18,037.42 × 7,101.96
  4. Step 4: Simplify right side
    13,070.36x = 128,101,035.34
  5. Step 5: Solve for x
    x = 128,101,035.34/13,070.36
  6. Step 6: Final answer
    x = 9,800.88

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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.