Home / 18,011.51-24,869.05-11,641.87

Finding the Fourth Proportional to 18,011.51, 24,869.05 and 11,641.87

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Solution

The fourth proportional to 18,011.51, 24,869.05 and 11,641.87 is: 16,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.51 : 24,869.05 = 11,641.87 : x
  2. Step 2: Convert to fraction form
    18,011.51/24,869.05 = 11,641.87/x
  3. Step 3: Cross multiply
    18,011.51x = 24,869.05 × 11,641.87
  4. Step 4: Simplify right side
    18,011.51x = 289,522,247.12
  5. Step 5: Solve for x
    x = 289,522,247.12/18,011.51
  6. Step 6: Final answer
    x = 16,074.30

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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.