Home / 11,155.47-16,719.52-6,710.40

Finding the Fourth Proportional to 11,155.47, 16,719.52 and 6,710.40

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Solution

The fourth proportional to 11,155.47, 16,719.52 and 6,710.40 is: 10,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.47 : 16,719.52 = 6,710.40 : x
  2. Step 2: Convert to fraction form
    11,155.47/16,719.52 = 6,710.40/x
  3. Step 3: Cross multiply
    11,155.47x = 16,719.52 × 6,710.40
  4. Step 4: Simplify right side
    11,155.47x = 112,194,667.01
  5. Step 5: Solve for x
    x = 112,194,667.01/11,155.47
  6. Step 6: Final answer
    x = 10,057.37

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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.