Home / 14,699.02-20,284.86-7,984.78

Finding the Fourth Proportional to 14,699.02, 20,284.86 and 7,984.78

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Solution

The fourth proportional to 14,699.02, 20,284.86 and 7,984.78 is: 11,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.02 : 20,284.86 = 7,984.78 : x
  2. Step 2: Convert to fraction form
    14,699.02/20,284.86 = 7,984.78/x
  3. Step 3: Cross multiply
    14,699.02x = 20,284.86 × 7,984.78
  4. Step 4: Simplify right side
    14,699.02x = 161,970,123.66
  5. Step 5: Solve for x
    x = 161,970,123.66/14,699.02
  6. Step 6: Final answer
    x = 11,019.11

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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.