Home / 15,639.20-23,463.20-6,285.79

Finding the Fourth Proportional to 15,639.20, 23,463.20 and 6,285.79

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Solution

The fourth proportional to 15,639.20, 23,463.20 and 6,285.79 is: 9,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.20 : 23,463.20 = 6,285.79 : x
  2. Step 2: Convert to fraction form
    15,639.20/23,463.20 = 6,285.79/x
  3. Step 3: Cross multiply
    15,639.20x = 23,463.20 × 6,285.79
  4. Step 4: Simplify right side
    15,639.20x = 147,484,747.93
  5. Step 5: Solve for x
    x = 147,484,747.93/15,639.20
  6. Step 6: Final answer
    x = 9,430.45

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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.