Home / 13,983.81-20,948.01-9,056.89

Finding the Fourth Proportional to 13,983.81, 20,948.01 and 9,056.89

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Solution

The fourth proportional to 13,983.81, 20,948.01 and 9,056.89 is: 13,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.81 : 20,948.01 = 9,056.89 : x
  2. Step 2: Convert to fraction form
    13,983.81/20,948.01 = 9,056.89/x
  3. Step 3: Cross multiply
    13,983.81x = 20,948.01 × 9,056.89
  4. Step 4: Simplify right side
    13,983.81x = 189,723,822.29
  5. Step 5: Solve for x
    x = 189,723,822.29/13,983.81
  6. Step 6: Final answer
    x = 13,567.39

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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.