Home / 21,486.24-32,230.76-7,447.68

Finding the Fourth Proportional to 21,486.24, 32,230.76 and 7,447.68

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Solution

The fourth proportional to 21,486.24, 32,230.76 and 7,447.68 is: 11,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.24 : 32,230.76 = 7,447.68 : x
  2. Step 2: Convert to fraction form
    21,486.24/32,230.76 = 7,447.68/x
  3. Step 3: Cross multiply
    21,486.24x = 32,230.76 × 7,447.68
  4. Step 4: Simplify right side
    21,486.24x = 240,044,386.64
  5. Step 5: Solve for x
    x = 240,044,386.64/21,486.24
  6. Step 6: Final answer
    x = 11,172.01

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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.