Home / 9,529.90-13,143.50-6,706.63

Finding the Fourth Proportional to 9,529.90, 13,143.50 and 6,706.63

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Solution

The fourth proportional to 9,529.90, 13,143.50 and 6,706.63 is: 9,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.90 : 13,143.50 = 6,706.63 : x
  2. Step 2: Convert to fraction form
    9,529.90/13,143.50 = 6,706.63/x
  3. Step 3: Cross multiply
    9,529.90x = 13,143.50 × 6,706.63
  4. Step 4: Simplify right side
    9,529.90x = 88,148,599.45
  5. Step 5: Solve for x
    x = 88,148,599.45/9,529.90
  6. Step 6: Final answer
    x = 9,249.68

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Half scale
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Double scale
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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.