Home / 10,349.94-14,266.27-6,991.70

Finding the Fourth Proportional to 10,349.94, 14,266.27 and 6,991.70

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Solution

The fourth proportional to 10,349.94, 14,266.27 and 6,991.70 is: 9,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.94 : 14,266.27 = 6,991.70 : x
  2. Step 2: Convert to fraction form
    10,349.94/14,266.27 = 6,991.70/x
  3. Step 3: Cross multiply
    10,349.94x = 14,266.27 × 6,991.70
  4. Step 4: Simplify right side
    10,349.94x = 99,745,479.96
  5. Step 5: Solve for x
    x = 99,745,479.96/10,349.94
  6. Step 6: Final answer
    x = 9,637.30

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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.