Home / 18,159.49-25,060.59-12,783.62

Finding the Fourth Proportional to 18,159.49, 25,060.59 and 12,783.62

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Solution

The fourth proportional to 18,159.49, 25,060.59 and 12,783.62 is: 17,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.49 : 25,060.59 = 12,783.62 : x
  2. Step 2: Convert to fraction form
    18,159.49/25,060.59 = 12,783.62/x
  3. Step 3: Cross multiply
    18,159.49x = 25,060.59 × 12,783.62
  4. Step 4: Simplify right side
    18,159.49x = 320,365,122.19
  5. Step 5: Solve for x
    x = 320,365,122.19/18,159.49
  6. Step 6: Final answer
    x = 17,641.75

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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.