Home / 13,908.29-20,858.30-7,330.89

Finding the Fourth Proportional to 13,908.29, 20,858.30 and 7,330.89

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Solution

The fourth proportional to 13,908.29, 20,858.30 and 7,330.89 is: 10,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.29 : 20,858.30 = 7,330.89 : x
  2. Step 2: Convert to fraction form
    13,908.29/20,858.30 = 7,330.89/x
  3. Step 3: Cross multiply
    13,908.29x = 20,858.30 × 7,330.89
  4. Step 4: Simplify right side
    13,908.29x = 152,909,866.23
  5. Step 5: Solve for x
    x = 152,909,866.23/13,908.29
  6. Step 6: Final answer
    x = 10,994.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.