Home / 19,346.99-26,691.19-12,630.47

Finding the Fourth Proportional to 19,346.99, 26,691.19 and 12,630.47

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Solution

The fourth proportional to 19,346.99, 26,691.19 and 12,630.47 is: 17,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.99 : 26,691.19 = 12,630.47 : x
  2. Step 2: Convert to fraction form
    19,346.99/26,691.19 = 12,630.47/x
  3. Step 3: Cross multiply
    19,346.99x = 26,691.19 × 12,630.47
  4. Step 4: Simplify right side
    19,346.99x = 337,122,109.53
  5. Step 5: Solve for x
    x = 337,122,109.53/19,346.99
  6. Step 6: Final answer
    x = 17,425.05

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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.