Home / 19,356.54-26,702.17-12,646.09

Finding the Fourth Proportional to 19,356.54, 26,702.17 and 12,646.09

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Solution

The fourth proportional to 19,356.54, 26,702.17 and 12,646.09 is: 17,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.54 : 26,702.17 = 12,646.09 : x
  2. Step 2: Convert to fraction form
    19,356.54/26,702.17 = 12,646.09/x
  3. Step 3: Cross multiply
    19,356.54x = 26,702.17 × 12,646.09
  4. Step 4: Simplify right side
    19,356.54x = 337,678,045.02
  5. Step 5: Solve for x
    x = 337,678,045.02/19,356.54
  6. Step 6: Final answer
    x = 17,445.17

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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.