Home / 15,864.12-21,893.90-9,058.91

Finding the Fourth Proportional to 15,864.12, 21,893.90 and 9,058.91

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Solution

The fourth proportional to 15,864.12, 21,893.90 and 9,058.91 is: 12,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.12 : 21,893.90 = 9,058.91 : x
  2. Step 2: Convert to fraction form
    15,864.12/21,893.90 = 9,058.91/x
  3. Step 3: Cross multiply
    15,864.12x = 21,893.90 × 9,058.91
  4. Step 4: Simplify right side
    15,864.12x = 198,334,714.88
  5. Step 5: Solve for x
    x = 198,334,714.88/15,864.12
  6. Step 6: Final answer
    x = 12,502.09

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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.