Home / 21,533.55-29,714.65-11,973.02

Finding the Fourth Proportional to 21,533.55, 29,714.65 and 11,973.02

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Solution

The fourth proportional to 21,533.55, 29,714.65 and 11,973.02 is: 16,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533.55 : 29,714.65 = 11,973.02 : x
  2. Step 2: Convert to fraction form
    21,533.55/29,714.65 = 11,973.02/x
  3. Step 3: Cross multiply
    21,533.55x = 29,714.65 × 11,973.02
  4. Step 4: Simplify right side
    21,533.55x = 355,773,920.24
  5. Step 5: Solve for x
    x = 355,773,920.24/21,533.55
  6. Step 6: Final answer
    x = 16,521.85

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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.