Home / 19,055.20-26,296.12-10,988.82

Finding the Fourth Proportional to 19,055.20, 26,296.12 and 10,988.82

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Solution

The fourth proportional to 19,055.20, 26,296.12 and 10,988.82 is: 15,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.20 : 26,296.12 = 10,988.82 : x
  2. Step 2: Convert to fraction form
    19,055.20/26,296.12 = 10,988.82/x
  3. Step 3: Cross multiply
    19,055.20x = 26,296.12 × 10,988.82
  4. Step 4: Simplify right side
    19,055.20x = 288,963,329.38
  5. Step 5: Solve for x
    x = 288,963,329.38/19,055.20
  6. Step 6: Final answer
    x = 15,164.54

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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.