Home / 16,802.32-25,203.48-5,115.45

Finding the Fourth Proportional to 16,802.32, 25,203.48 and 5,115.45

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Solution

The fourth proportional to 16,802.32, 25,203.48 and 5,115.45 is: 7,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.32 : 25,203.48 = 5,115.45 : x
  2. Step 2: Convert to fraction form
    16,802.32/25,203.48 = 5,115.45/x
  3. Step 3: Cross multiply
    16,802.32x = 25,203.48 × 5,115.45
  4. Step 4: Simplify right side
    16,802.32x = 128,927,141.77
  5. Step 5: Solve for x
    x = 128,927,141.77/16,802.32
  6. Step 6: Final answer
    x = 7,673.18

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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.