Home / 19,294.77-26,634.83-13,988.57

Finding the Fourth Proportional to 19,294.77, 26,634.83 and 13,988.57

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Solution

The fourth proportional to 19,294.77, 26,634.83 and 13,988.57 is: 19,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.77 : 26,634.83 = 13,988.57 : x
  2. Step 2: Convert to fraction form
    19,294.77/26,634.83 = 13,988.57/x
  3. Step 3: Cross multiply
    19,294.77x = 26,634.83 × 13,988.57
  4. Step 4: Simplify right side
    19,294.77x = 372,582,980.78
  5. Step 5: Solve for x
    x = 372,582,980.78/19,294.77
  6. Step 6: Final answer
    x = 19,310.05

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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.