Home / 21,395.73-29,526.08-11,964.30

Finding the Fourth Proportional to 21,395.73, 29,526.08 and 11,964.30

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Solution

The fourth proportional to 21,395.73, 29,526.08 and 11,964.30 is: 16,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.73 : 29,526.08 = 11,964.30 : x
  2. Step 2: Convert to fraction form
    21,395.73/29,526.08 = 11,964.30/x
  3. Step 3: Cross multiply
    21,395.73x = 29,526.08 × 11,964.30
  4. Step 4: Simplify right side
    21,395.73x = 353,258,878.94
  5. Step 5: Solve for x
    x = 353,258,878.94/21,395.73
  6. Step 6: Final answer
    x = 16,510.72

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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.