Home / 19,078.48-26,316.24-13,781.08

Finding the Fourth Proportional to 19,078.48, 26,316.24 and 13,781.08

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Solution

The fourth proportional to 19,078.48, 26,316.24 and 13,781.08 is: 19,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.48 : 26,316.24 = 13,781.08 : x
  2. Step 2: Convert to fraction form
    19,078.48/26,316.24 = 13,781.08/x
  3. Step 3: Cross multiply
    19,078.48x = 26,316.24 × 13,781.08
  4. Step 4: Simplify right side
    19,078.48x = 362,666,208.74
  5. Step 5: Solve for x
    x = 362,666,208.74/19,078.48
  6. Step 6: Final answer
    x = 19,009.18

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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.