Home / 19,349.61-26,708.19-12,636.30

Finding the Fourth Proportional to 19,349.61, 26,708.19 and 12,636.30

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Solution

The fourth proportional to 19,349.61, 26,708.19 and 12,636.30 is: 17,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.61 : 26,708.19 = 12,636.30 : x
  2. Step 2: Convert to fraction form
    19,349.61/26,708.19 = 12,636.30/x
  3. Step 3: Cross multiply
    19,349.61x = 26,708.19 × 12,636.30
  4. Step 4: Simplify right side
    19,349.61x = 337,492,701.30
  5. Step 5: Solve for x
    x = 337,492,701.30/19,349.61
  6. Step 6: Final answer
    x = 17,441.83

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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.