Home / 15,439.86-23,155.19-6,555.06

Finding the Fourth Proportional to 15,439.86, 23,155.19 and 6,555.06

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Solution

The fourth proportional to 15,439.86, 23,155.19 and 6,555.06 is: 9,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.86 : 23,155.19 = 6,555.06 : x
  2. Step 2: Convert to fraction form
    15,439.86/23,155.19 = 6,555.06/x
  3. Step 3: Cross multiply
    15,439.86x = 23,155.19 × 6,555.06
  4. Step 4: Simplify right side
    15,439.86x = 151,783,626.99
  5. Step 5: Solve for x
    x = 151,783,626.99/15,439.86
  6. Step 6: Final answer
    x = 9,830.63

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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.