Home / 14,699.45-20,285.18-7,985.02

Finding the Fourth Proportional to 14,699.45, 20,285.18 and 7,985.02

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Solution

The fourth proportional to 14,699.45, 20,285.18 and 7,985.02 is: 11,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.45 : 20,285.18 = 7,985.02 : x
  2. Step 2: Convert to fraction form
    14,699.45/20,285.18 = 7,985.02/x
  3. Step 3: Cross multiply
    14,699.45x = 20,285.18 × 7,985.02
  4. Step 4: Simplify right side
    14,699.45x = 161,977,568.00
  5. Step 5: Solve for x
    x = 161,977,568.00/14,699.45
  6. Step 6: Final answer
    x = 11,019.29

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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.