Home / 21,038.06-29,032.53-11,606.63

Finding the Fourth Proportional to 21,038.06, 29,032.53 and 11,606.63

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Solution

The fourth proportional to 21,038.06, 29,032.53 and 11,606.63 is: 16,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038.06 : 29,032.53 = 11,606.63 : x
  2. Step 2: Convert to fraction form
    21,038.06/29,032.53 = 11,606.63/x
  3. Step 3: Cross multiply
    21,038.06x = 29,032.53 × 11,606.63
  4. Step 4: Simplify right side
    21,038.06x = 336,969,644.99
  5. Step 5: Solve for x
    x = 336,969,644.99/21,038.06
  6. Step 6: Final answer
    x = 16,017.14

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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.