Home / 21,246.68-31,869.75-9,551.63

Finding the Fourth Proportional to 21,246.68, 31,869.75 and 9,551.63

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Solution

The fourth proportional to 21,246.68, 31,869.75 and 9,551.63 is: 14,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.68 : 31,869.75 = 9,551.63 : x
  2. Step 2: Convert to fraction form
    21,246.68/31,869.75 = 9,551.63/x
  3. Step 3: Cross multiply
    21,246.68x = 31,869.75 × 9,551.63
  4. Step 4: Simplify right side
    21,246.68x = 304,408,060.19
  5. Step 5: Solve for x
    x = 304,408,060.19/21,246.68
  6. Step 6: Final answer
    x = 14,327.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.