Home / 13,756.49-20,631.51-4,397.35

Finding the Fourth Proportional to 13,756.49, 20,631.51 and 4,397.35

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Solution

The fourth proportional to 13,756.49, 20,631.51 and 4,397.35 is: 6,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.49 : 20,631.51 = 4,397.35 : x
  2. Step 2: Convert to fraction form
    13,756.49/20,631.51 = 4,397.35/x
  3. Step 3: Cross multiply
    13,756.49x = 20,631.51 × 4,397.35
  4. Step 4: Simplify right side
    13,756.49x = 90,723,867.34
  5. Step 5: Solve for x
    x = 90,723,867.34/13,756.49
  6. Step 6: Final answer
    x = 6,594.99

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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.