Home / 19,983.24-29,980.86-9,461.28

Finding the Fourth Proportional to 19,983.24, 29,980.86 and 9,461.28

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Solution

The fourth proportional to 19,983.24, 29,980.86 and 9,461.28 is: 14,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.24 : 29,980.86 = 9,461.28 : x
  2. Step 2: Convert to fraction form
    19,983.24/29,980.86 = 9,461.28/x
  3. Step 3: Cross multiply
    19,983.24x = 29,980.86 × 9,461.28
  4. Step 4: Simplify right side
    19,983.24x = 283,657,311.10
  5. Step 5: Solve for x
    x = 283,657,311.10/19,983.24
  6. Step 6: Final answer
    x = 14,194.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.