Home / 16,685.32-25,025.10-4,995.40

Finding the Fourth Proportional to 16,685.32, 25,025.10 and 4,995.40

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Solution

The fourth proportional to 16,685.32, 25,025.10 and 4,995.40 is: 7,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.32 : 25,025.10 = 4,995.40 : x
  2. Step 2: Convert to fraction form
    16,685.32/25,025.10 = 4,995.40/x
  3. Step 3: Cross multiply
    16,685.32x = 25,025.10 × 4,995.40
  4. Step 4: Simplify right side
    16,685.32x = 125,010,384.54
  5. Step 5: Solve for x
    x = 125,010,384.54/16,685.32
  6. Step 6: Final answer
    x = 7,492.24

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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.