Home / 21,538.50-32,307.36-11,740.14

Finding the Fourth Proportional to 21,538.50, 32,307.36 and 11,740.14

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Solution

The fourth proportional to 21,538.50, 32,307.36 and 11,740.14 is: 17,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.50 : 32,307.36 = 11,740.14 : x
  2. Step 2: Convert to fraction form
    21,538.50/32,307.36 = 11,740.14/x
  3. Step 3: Cross multiply
    21,538.50x = 32,307.36 × 11,740.14
  4. Step 4: Simplify right side
    21,538.50x = 379,292,929.43
  5. Step 5: Solve for x
    x = 379,292,929.43/21,538.50
  6. Step 6: Final answer
    x = 17,610.00

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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.