Home / 13,596.86-18,763.40-7,630.45

Finding the Fourth Proportional to 13,596.86, 18,763.40 and 7,630.45

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Solution

The fourth proportional to 13,596.86, 18,763.40 and 7,630.45 is: 10,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.86 : 18,763.40 = 7,630.45 : x
  2. Step 2: Convert to fraction form
    13,596.86/18,763.40 = 7,630.45/x
  3. Step 3: Cross multiply
    13,596.86x = 18,763.40 × 7,630.45
  4. Step 4: Simplify right side
    13,596.86x = 143,173,220.32
  5. Step 5: Solve for x
    x = 143,173,220.32/13,596.86
  6. Step 6: Final answer
    x = 10,529.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.