Home / 21,583.09-29,782.47-12,023.52

Finding the Fourth Proportional to 21,583.09, 29,782.47 and 12,023.52

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Solution

The fourth proportional to 21,583.09, 29,782.47 and 12,023.52 is: 16,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.09 : 29,782.47 = 12,023.52 : x
  2. Step 2: Convert to fraction form
    21,583.09/29,782.47 = 12,023.52/x
  3. Step 3: Cross multiply
    21,583.09x = 29,782.47 × 12,023.52
  4. Step 4: Simplify right side
    21,583.09x = 358,090,123.69
  5. Step 5: Solve for x
    x = 358,090,123.69/21,583.09
  6. Step 6: Final answer
    x = 16,591.24

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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.