Home / 10,370.84-14,311.68-5,655.08

Finding the Fourth Proportional to 10,370.84, 14,311.68 and 5,655.08

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Solution

The fourth proportional to 10,370.84, 14,311.68 and 5,655.08 is: 7,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.84 : 14,311.68 = 5,655.08 : x
  2. Step 2: Convert to fraction form
    10,370.84/14,311.68 = 5,655.08/x
  3. Step 3: Cross multiply
    10,370.84x = 14,311.68 × 5,655.08
  4. Step 4: Simplify right side
    10,370.84x = 80,933,695.33
  5. Step 5: Solve for x
    x = 80,933,695.33/10,370.84
  6. Step 6: Final answer
    x = 7,803.97

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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.