Home / 13,384.48-20,068.08-8,995.36

Finding the Fourth Proportional to 13,384.48, 20,068.08 and 8,995.36

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Solution

The fourth proportional to 13,384.48, 20,068.08 and 8,995.36 is: 13,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.48 : 20,068.08 = 8,995.36 : x
  2. Step 2: Convert to fraction form
    13,384.48/20,068.08 = 8,995.36/x
  3. Step 3: Cross multiply
    13,384.48x = 20,068.08 × 8,995.36
  4. Step 4: Simplify right side
    13,384.48x = 180,519,604.11
  5. Step 5: Solve for x
    x = 180,519,604.11/13,384.48
  6. Step 6: Final answer
    x = 13,487.23

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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.