Home / 21,339.84-32,009.60-11,483.76

Finding the Fourth Proportional to 21,339.84, 32,009.60 and 11,483.76

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Solution

The fourth proportional to 21,339.84, 32,009.60 and 11,483.76 is: 17,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.84 : 32,009.60 = 11,483.76 : x
  2. Step 2: Convert to fraction form
    21,339.84/32,009.60 = 11,483.76/x
  3. Step 3: Cross multiply
    21,339.84x = 32,009.60 × 11,483.76
  4. Step 4: Simplify right side
    21,339.84x = 367,590,564.10
  5. Step 5: Solve for x
    x = 367,590,564.10/21,339.84
  6. Step 6: Final answer
    x = 17,225.55

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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.