Home / 19,529.40-29,294.10-6,378.60

Finding the Fourth Proportional to 19,529.40, 29,294.10 and 6,378.60

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Solution

The fourth proportional to 19,529.40, 29,294.10 and 6,378.60 is: 9,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.40 : 29,294.10 = 6,378.60 : x
  2. Step 2: Convert to fraction form
    19,529.40/29,294.10 = 6,378.60/x
  3. Step 3: Cross multiply
    19,529.40x = 29,294.10 × 6,378.60
  4. Step 4: Simplify right side
    19,529.40x = 186,855,346.26
  5. Step 5: Solve for x
    x = 186,855,346.26/19,529.40
  6. Step 6: Final answer
    x = 9,567.90

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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.