Home / 16,802.72-25,207.72-5,115.63

Finding the Fourth Proportional to 16,802.72, 25,207.72 and 5,115.63

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Solution

The fourth proportional to 16,802.72, 25,207.72 and 5,115.63 is: 7,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.72 : 25,207.72 = 5,115.63 : x
  2. Step 2: Convert to fraction form
    16,802.72/25,207.72 = 5,115.63/x
  3. Step 3: Cross multiply
    16,802.72x = 25,207.72 × 5,115.63
  4. Step 4: Simplify right side
    16,802.72x = 128,953,355.87
  5. Step 5: Solve for x
    x = 128,953,355.87/16,802.72
  6. Step 6: Final answer
    x = 7,674.55

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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.