Home / 16,904.30-25,356.45-7,688.30

Finding the Fourth Proportional to 16,904.30, 25,356.45 and 7,688.30

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Solution

The fourth proportional to 16,904.30, 25,356.45 and 7,688.30 is: 11,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.30 : 25,356.45 = 7,688.30 : x
  2. Step 2: Convert to fraction form
    16,904.30/25,356.45 = 7,688.30/x
  3. Step 3: Cross multiply
    16,904.30x = 25,356.45 × 7,688.30
  4. Step 4: Simplify right side
    16,904.30x = 194,947,994.54
  5. Step 5: Solve for x
    x = 194,947,994.54/16,904.30
  6. Step 6: Final answer
    x = 11,532.45

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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.