Home / 13,936.02-19,209.15-9,458.34

Finding the Fourth Proportional to 13,936.02, 19,209.15 and 9,458.34

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Solution

The fourth proportional to 13,936.02, 19,209.15 and 9,458.34 is: 13,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.02 : 19,209.15 = 9,458.34 : x
  2. Step 2: Convert to fraction form
    13,936.02/19,209.15 = 9,458.34/x
  3. Step 3: Cross multiply
    13,936.02x = 19,209.15 × 9,458.34
  4. Step 4: Simplify right side
    13,936.02x = 181,686,671.81
  5. Step 5: Solve for x
    x = 181,686,671.81/13,936.02
  6. Step 6: Final answer
    x = 13,037.20

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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.