Home / 19,398.24-26,779.78-13,058.16

Finding the Fourth Proportional to 19,398.24, 26,779.78 and 13,058.16

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Solution

The fourth proportional to 19,398.24, 26,779.78 and 13,058.16 is: 18,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.24 : 26,779.78 = 13,058.16 : x
  2. Step 2: Convert to fraction form
    19,398.24/26,779.78 = 13,058.16/x
  3. Step 3: Cross multiply
    19,398.24x = 26,779.78 × 13,058.16
  4. Step 4: Simplify right side
    19,398.24x = 349,694,652.00
  5. Step 5: Solve for x
    x = 349,694,652.00/19,398.24
  6. Step 6: Final answer
    x = 18,027.13

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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.