Home / 13,037.15-17,989.93-8,001.58

Finding the Fourth Proportional to 13,037.15, 17,989.93 and 8,001.58

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Solution

The fourth proportional to 13,037.15, 17,989.93 and 8,001.58 is: 11,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.15 : 17,989.93 = 8,001.58 : x
  2. Step 2: Convert to fraction form
    13,037.15/17,989.93 = 8,001.58/x
  3. Step 3: Cross multiply
    13,037.15x = 17,989.93 × 8,001.58
  4. Step 4: Simplify right side
    13,037.15x = 143,947,799.11
  5. Step 5: Solve for x
    x = 143,947,799.11/13,037.15
  6. Step 6: Final answer
    x = 11,041.36

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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.