Home / 19,505.61-26,908.91-12,427.63

Finding the Fourth Proportional to 19,505.61, 26,908.91 and 12,427.63

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Solution

The fourth proportional to 19,505.61, 26,908.91 and 12,427.63 is: 17,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.61 : 26,908.91 = 12,427.63 : x
  2. Step 2: Convert to fraction form
    19,505.61/26,908.91 = 12,427.63/x
  3. Step 3: Cross multiply
    19,505.61x = 26,908.91 × 12,427.63
  4. Step 4: Simplify right side
    19,505.61x = 334,413,894.38
  5. Step 5: Solve for x
    x = 334,413,894.38/19,505.61
  6. Step 6: Final answer
    x = 17,144.50

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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.