Home / 19,685.76-27,167.04-11,303.04

Finding the Fourth Proportional to 19,685.76, 27,167.04 and 11,303.04

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Solution

The fourth proportional to 19,685.76, 27,167.04 and 11,303.04 is: 15,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.76 : 27,167.04 = 11,303.04 : x
  2. Step 2: Convert to fraction form
    19,685.76/27,167.04 = 11,303.04/x
  3. Step 3: Cross multiply
    19,685.76x = 27,167.04 × 11,303.04
  4. Step 4: Simplify right side
    19,685.76x = 307,070,139.80
  5. Step 5: Solve for x
    x = 307,070,139.80/19,685.76
  6. Step 6: Final answer
    x = 15,598.59

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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.