Home / 21,014.06-29,000.70-11,582.60

Finding the Fourth Proportional to 21,014.06, 29,000.70 and 11,582.60

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Solution

The fourth proportional to 21,014.06, 29,000.70 and 11,582.60 is: 15,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.06 : 29,000.70 = 11,582.60 : x
  2. Step 2: Convert to fraction form
    21,014.06/29,000.70 = 11,582.60/x
  3. Step 3: Cross multiply
    21,014.06x = 29,000.70 × 11,582.60
  4. Step 4: Simplify right side
    21,014.06x = 335,903,507.82
  5. Step 5: Solve for x
    x = 335,903,507.82/21,014.06
  6. Step 6: Final answer
    x = 15,984.70

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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.