Home / 19,304.03-26,642.35-11,126.05

Finding the Fourth Proportional to 19,304.03, 26,642.35 and 11,126.05

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Solution

The fourth proportional to 19,304.03, 26,642.35 and 11,126.05 is: 15,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.03 : 26,642.35 = 11,126.05 : x
  2. Step 2: Convert to fraction form
    19,304.03/26,642.35 = 11,126.05/x
  3. Step 3: Cross multiply
    19,304.03x = 26,642.35 × 11,126.05
  4. Step 4: Simplify right side
    19,304.03x = 296,423,985.01
  5. Step 5: Solve for x
    x = 296,423,985.01/19,304.03
  6. Step 6: Final answer
    x = 15,355.55

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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.