Home / 21,467.19-29,617.65-12,966.14

Finding the Fourth Proportional to 21,467.19, 29,617.65 and 12,966.14

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Solution

The fourth proportional to 21,467.19, 29,617.65 and 12,966.14 is: 17,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.19 : 29,617.65 = 12,966.14 : x
  2. Step 2: Convert to fraction form
    21,467.19/29,617.65 = 12,966.14/x
  3. Step 3: Cross multiply
    21,467.19x = 29,617.65 × 12,966.14
  4. Step 4: Simplify right side
    21,467.19x = 384,026,670.42
  5. Step 5: Solve for x
    x = 384,026,670.42/21,467.19
  6. Step 6: Final answer
    x = 17,889.00

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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.