Home / 19,560.79-29,341.19-4,769.84

Finding the Fourth Proportional to 19,560.79, 29,341.19 and 4,769.84

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Solution

The fourth proportional to 19,560.79, 29,341.19 and 4,769.84 is: 7,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.79 : 29,341.19 = 4,769.84 : x
  2. Step 2: Convert to fraction form
    19,560.79/29,341.19 = 4,769.84/x
  3. Step 3: Cross multiply
    19,560.79x = 29,341.19 × 4,769.84
  4. Step 4: Simplify right side
    19,560.79x = 139,952,611.15
  5. Step 5: Solve for x
    x = 139,952,611.15/19,560.79
  6. Step 6: Final answer
    x = 7,154.75

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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.