Home / 14,610.02-21,918.28-6,814.58

Finding the Fourth Proportional to 14,610.02, 21,918.28 and 6,814.58

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Solution

The fourth proportional to 14,610.02, 21,918.28 and 6,814.58 is: 10,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.02 : 21,918.28 = 6,814.58 : x
  2. Step 2: Convert to fraction form
    14,610.02/21,918.28 = 6,814.58/x
  3. Step 3: Cross multiply
    14,610.02x = 21,918.28 × 6,814.58
  4. Step 4: Simplify right side
    14,610.02x = 149,363,872.52
  5. Step 5: Solve for x
    x = 149,363,872.52/14,610.02
  6. Step 6: Final answer
    x = 10,223.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.