Home / 13,526.62-20,288.08-4,038.79

Finding the Fourth Proportional to 13,526.62, 20,288.08 and 4,038.79

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Solution

The fourth proportional to 13,526.62, 20,288.08 and 4,038.79 is: 6,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.62 : 20,288.08 = 4,038.79 : x
  2. Step 2: Convert to fraction form
    13,526.62/20,288.08 = 4,038.79/x
  3. Step 3: Cross multiply
    13,526.62x = 20,288.08 × 4,038.79
  4. Step 4: Simplify right side
    13,526.62x = 81,939,294.62
  5. Step 5: Solve for x
    x = 81,939,294.62/13,526.62
  6. Step 6: Final answer
    x = 6,057.63

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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.