Home / 15,630.72-23,429.67-5,763.70

Finding the Fourth Proportional to 15,630.72, 23,429.67 and 5,763.70

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Solution

The fourth proportional to 15,630.72, 23,429.67 and 5,763.70 is: 8,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.72 : 23,429.67 = 5,763.70 : x
  2. Step 2: Convert to fraction form
    15,630.72/23,429.67 = 5,763.70/x
  3. Step 3: Cross multiply
    15,630.72x = 23,429.67 × 5,763.70
  4. Step 4: Simplify right side
    15,630.72x = 135,041,588.98
  5. Step 5: Solve for x
    x = 135,041,588.98/15,630.72
  6. Step 6: Final answer
    x = 8,639.50

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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.