Home / 19,333.26-26,664.72-12,957.70

Finding the Fourth Proportional to 19,333.26, 26,664.72 and 12,957.70

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Solution

The fourth proportional to 19,333.26, 26,664.72 and 12,957.70 is: 17,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.26 : 26,664.72 = 12,957.70 : x
  2. Step 2: Convert to fraction form
    19,333.26/26,664.72 = 12,957.70/x
  3. Step 3: Cross multiply
    19,333.26x = 26,664.72 × 12,957.70
  4. Step 4: Simplify right side
    19,333.26x = 345,513,442.34
  5. Step 5: Solve for x
    x = 345,513,442.34/19,333.26
  6. Step 6: Final answer
    x = 17,871.45

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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.