Home / 9,687.22-13,342.90-7,444.81

Finding the Fourth Proportional to 9,687.22, 13,342.90 and 7,444.81

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Solution

The fourth proportional to 9,687.22, 13,342.90 and 7,444.81 is: 10,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.22 : 13,342.90 = 7,444.81 : x
  2. Step 2: Convert to fraction form
    9,687.22/13,342.90 = 7,444.81/x
  3. Step 3: Cross multiply
    9,687.22x = 13,342.90 × 7,444.81
  4. Step 4: Simplify right side
    9,687.22x = 99,335,288.63
  5. Step 5: Solve for x
    x = 99,335,288.63/9,687.22
  6. Step 6: Final answer
    x = 10,254.26

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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.