Home / 14,687.38-20,268.80-7,973.02

Finding the Fourth Proportional to 14,687.38, 20,268.80 and 7,973.02

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Solution

The fourth proportional to 14,687.38, 20,268.80 and 7,973.02 is: 11,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.38 : 20,268.80 = 7,973.02 : x
  2. Step 2: Convert to fraction form
    14,687.38/20,268.80 = 7,973.02/x
  3. Step 3: Cross multiply
    14,687.38x = 20,268.80 × 7,973.02
  4. Step 4: Simplify right side
    14,687.38x = 161,603,547.78
  5. Step 5: Solve for x
    x = 161,603,547.78/14,687.38
  6. Step 6: Final answer
    x = 11,002.88

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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.