Home / 19,973.04-29,964.30-9,983.58

Finding the Fourth Proportional to 19,973.04, 29,964.30 and 9,983.58

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Solution

The fourth proportional to 19,973.04, 29,964.30 and 9,983.58 is: 14,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.04 : 29,964.30 = 9,983.58 : x
  2. Step 2: Convert to fraction form
    19,973.04/29,964.30 = 9,983.58/x
  3. Step 3: Cross multiply
    19,973.04x = 29,964.30 × 9,983.58
  4. Step 4: Simplify right side
    19,973.04x = 299,150,986.19
  5. Step 5: Solve for x
    x = 299,150,986.19/19,973.04
  6. Step 6: Final answer
    x = 14,977.74

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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.