Home / 16,170.16-22,318.74-15,240.68

Finding the Fourth Proportional to 16,170.16, 22,318.74 and 15,240.68

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Solution

The fourth proportional to 16,170.16, 22,318.74 and 15,240.68 is: 21,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170.16 : 22,318.74 = 15,240.68 : x
  2. Step 2: Convert to fraction form
    16,170.16/22,318.74 = 15,240.68/x
  3. Step 3: Cross multiply
    16,170.16x = 22,318.74 × 15,240.68
  4. Step 4: Simplify right side
    16,170.16x = 340,152,774.34
  5. Step 5: Solve for x
    x = 340,152,774.34/16,170.16
  6. Step 6: Final answer
    x = 21,035.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.