Home / 10,426.05-14,384.00-6,649.36

Finding the Fourth Proportional to 10,426.05, 14,384.00 and 6,649.36

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Solution

The fourth proportional to 10,426.05, 14,384.00 and 6,649.36 is: 9,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.05 : 14,384.00 = 6,649.36 : x
  2. Step 2: Convert to fraction form
    10,426.05/14,384.00 = 6,649.36/x
  3. Step 3: Cross multiply
    10,426.05x = 14,384.00 × 6,649.36
  4. Step 4: Simplify right side
    10,426.05x = 95,644,374.90
  5. Step 5: Solve for x
    x = 95,644,374.90/10,426.05
  6. Step 6: Final answer
    x = 9,173.60

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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.