Home / 21,014.66-29,000.04-11,454.55

Finding the Fourth Proportional to 21,014.66, 29,000.04 and 11,454.55

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Solution

The fourth proportional to 21,014.66, 29,000.04 and 11,454.55 is: 15,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.66 : 29,000.04 = 11,454.55 : x
  2. Step 2: Convert to fraction form
    21,014.66/29,000.04 = 11,454.55/x
  3. Step 3: Cross multiply
    21,014.66x = 29,000.04 × 11,454.55
  4. Step 4: Simplify right side
    21,014.66x = 332,182,378.64
  5. Step 5: Solve for x
    x = 332,182,378.64/21,014.66
  6. Step 6: Final answer
    x = 15,807.17

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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.