Home / 14,699.38-20,285.37-7,985.02

Finding the Fourth Proportional to 14,699.38, 20,285.37 and 7,985.02

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Solution

The fourth proportional to 14,699.38, 20,285.37 and 7,985.02 is: 11,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.38 : 20,285.37 = 7,985.02 : x
  2. Step 2: Convert to fraction form
    14,699.38/20,285.37 = 7,985.02/x
  3. Step 3: Cross multiply
    14,699.38x = 20,285.37 × 7,985.02
  4. Step 4: Simplify right side
    14,699.38x = 161,979,085.16
  5. Step 5: Solve for x
    x = 161,979,085.16/14,699.38
  6. Step 6: Final answer
    x = 11,019.45

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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.