Home / 10,439.42-14,406.75-5,723.66

Finding the Fourth Proportional to 10,439.42, 14,406.75 and 5,723.66

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Solution

The fourth proportional to 10,439.42, 14,406.75 and 5,723.66 is: 7,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.42 : 14,406.75 = 5,723.66 : x
  2. Step 2: Convert to fraction form
    10,439.42/14,406.75 = 5,723.66/x
  3. Step 3: Cross multiply
    10,439.42x = 14,406.75 × 5,723.66
  4. Step 4: Simplify right side
    10,439.42x = 82,459,338.71
  5. Step 5: Solve for x
    x = 82,459,338.71/10,439.42
  6. Step 6: Final answer
    x = 7,898.84

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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.