Home / 13,297.60-18,349.23-7,630.84

Finding the Fourth Proportional to 13,297.60, 18,349.23 and 7,630.84

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Solution

The fourth proportional to 13,297.60, 18,349.23 and 7,630.84 is: 10,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.60 : 18,349.23 = 7,630.84 : x
  2. Step 2: Convert to fraction form
    13,297.60/18,349.23 = 7,630.84/x
  3. Step 3: Cross multiply
    13,297.60x = 18,349.23 × 7,630.84
  4. Step 4: Simplify right side
    13,297.60x = 140,020,038.25
  5. Step 5: Solve for x
    x = 140,020,038.25/13,297.60
  6. Step 6: Final answer
    x = 10,529.72

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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.