Home / 19,459.40-29,178.30-6,805.76

Finding the Fourth Proportional to 19,459.40, 29,178.30 and 6,805.76

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Solution

The fourth proportional to 19,459.40, 29,178.30 and 6,805.76 is: 10,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.40 : 29,178.30 = 6,805.76 : x
  2. Step 2: Convert to fraction form
    19,459.40/29,178.30 = 6,805.76/x
  3. Step 3: Cross multiply
    19,459.40x = 29,178.30 × 6,805.76
  4. Step 4: Simplify right side
    19,459.40x = 198,580,507.01
  5. Step 5: Solve for x
    x = 198,580,507.01/19,459.40
  6. Step 6: Final answer
    x = 10,204.86

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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.