Home / 21,014.90-29,000.69-11,583.46

Finding the Fourth Proportional to 21,014.90, 29,000.69 and 11,583.46

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Solution

The fourth proportional to 21,014.90, 29,000.69 and 11,583.46 is: 15,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.90 : 29,000.69 = 11,583.46 : x
  2. Step 2: Convert to fraction form
    21,014.90/29,000.69 = 11,583.46/x
  3. Step 3: Cross multiply
    21,014.90x = 29,000.69 × 11,583.46
  4. Step 4: Simplify right side
    21,014.90x = 335,928,332.59
  5. Step 5: Solve for x
    x = 335,928,332.59/21,014.90
  6. Step 6: Final answer
    x = 15,985.25

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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.