Home / 13,329.76-19,983.84-5,544.40

Finding the Fourth Proportional to 13,329.76, 19,983.84 and 5,544.40

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Solution

The fourth proportional to 13,329.76, 19,983.84 and 5,544.40 is: 8,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.76 : 19,983.84 = 5,544.40 : x
  2. Step 2: Convert to fraction form
    13,329.76/19,983.84 = 5,544.40/x
  3. Step 3: Cross multiply
    13,329.76x = 19,983.84 × 5,544.40
  4. Step 4: Simplify right side
    13,329.76x = 110,798,402.50
  5. Step 5: Solve for x
    x = 110,798,402.50/13,329.76
  6. Step 6: Final answer
    x = 8,312.11

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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.