Home / 14,890.92-20,535.75-10,118.01

Finding the Fourth Proportional to 14,890.92, 20,535.75 and 10,118.01

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Solution

The fourth proportional to 14,890.92, 20,535.75 and 10,118.01 is: 13,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.92 : 20,535.75 = 10,118.01 : x
  2. Step 2: Convert to fraction form
    14,890.92/20,535.75 = 10,118.01/x
  3. Step 3: Cross multiply
    14,890.92x = 20,535.75 × 10,118.01
  4. Step 4: Simplify right side
    14,890.92x = 207,780,923.86
  5. Step 5: Solve for x
    x = 207,780,923.86/14,890.92
  6. Step 6: Final answer
    x = 13,953.53

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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.