Home / 14,010.02-21,026.87-6,619.78

Finding the Fourth Proportional to 14,010.02, 21,026.87 and 6,619.78

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Solution

The fourth proportional to 14,010.02, 21,026.87 and 6,619.78 is: 9,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.02 : 21,026.87 = 6,619.78 : x
  2. Step 2: Convert to fraction form
    14,010.02/21,026.87 = 6,619.78/x
  3. Step 3: Cross multiply
    14,010.02x = 21,026.87 × 6,619.78
  4. Step 4: Simplify right side
    14,010.02x = 139,193,253.49
  5. Step 5: Solve for x
    x = 139,193,253.49/14,010.02
  6. Step 6: Final answer
    x = 9,935.26

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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.