Home / 13,869.08-20,802.81-4,008.14

Finding the Fourth Proportional to 13,869.08, 20,802.81 and 4,008.14

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Solution

The fourth proportional to 13,869.08, 20,802.81 and 4,008.14 is: 6,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.08 : 20,802.81 = 4,008.14 : x
  2. Step 2: Convert to fraction form
    13,869.08/20,802.81 = 4,008.14/x
  3. Step 3: Cross multiply
    13,869.08x = 20,802.81 × 4,008.14
  4. Step 4: Simplify right side
    13,869.08x = 83,380,574.87
  5. Step 5: Solve for x
    x = 83,380,574.87/13,869.08
  6. Step 6: Final answer
    x = 6,011.98

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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.