Home / 19,946.76-27,530.55-11,454.63

Finding the Fourth Proportional to 19,946.76, 27,530.55 and 11,454.63

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Solution

The fourth proportional to 19,946.76, 27,530.55 and 11,454.63 is: 15,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.76 : 27,530.55 = 11,454.63 : x
  2. Step 2: Convert to fraction form
    19,946.76/27,530.55 = 11,454.63/x
  3. Step 3: Cross multiply
    19,946.76x = 27,530.55 × 11,454.63
  4. Step 4: Simplify right side
    19,946.76x = 315,352,263.95
  5. Step 5: Solve for x
    x = 315,352,263.95/19,946.76
  6. Step 6: Final answer
    x = 15,809.70

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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.