Home / 10,561.58-15,840.93-2,769.74

Finding the Fourth Proportional to 10,561.58, 15,840.93 and 2,769.74

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Solution

The fourth proportional to 10,561.58, 15,840.93 and 2,769.74 is: 4,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.58 : 15,840.93 = 2,769.74 : x
  2. Step 2: Convert to fraction form
    10,561.58/15,840.93 = 2,769.74/x
  3. Step 3: Cross multiply
    10,561.58x = 15,840.93 × 2,769.74
  4. Step 4: Simplify right side
    10,561.58x = 43,875,257.46
  5. Step 5: Solve for x
    x = 43,875,257.46/10,561.58
  6. Step 6: Final answer
    x = 4,154.23

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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.