Home / 14,565.21-21,800.81-7,535.54

Finding the Fourth Proportional to 14,565.21, 21,800.81 and 7,535.54

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Solution

The fourth proportional to 14,565.21, 21,800.81 and 7,535.54 is: 11,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.21 : 21,800.81 = 7,535.54 : x
  2. Step 2: Convert to fraction form
    14,565.21/21,800.81 = 7,535.54/x
  3. Step 3: Cross multiply
    14,565.21x = 21,800.81 × 7,535.54
  4. Step 4: Simplify right side
    14,565.21x = 164,280,875.79
  5. Step 5: Solve for x
    x = 164,280,875.79/14,565.21
  6. Step 6: Final answer
    x = 11,278.99

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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.