Home / 10,439.07-14,405.85-5,723.35

Finding the Fourth Proportional to 10,439.07, 14,405.85 and 5,723.35

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Solution

The fourth proportional to 10,439.07, 14,405.85 and 5,723.35 is: 7,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.07 : 14,405.85 = 5,723.35 : x
  2. Step 2: Convert to fraction form
    10,439.07/14,405.85 = 5,723.35/x
  3. Step 3: Cross multiply
    10,439.07x = 14,405.85 × 5,723.35
  4. Step 4: Simplify right side
    10,439.07x = 82,449,649.57
  5. Step 5: Solve for x
    x = 82,449,649.57/10,439.07
  6. Step 6: Final answer
    x = 7,898.18

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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.