Home / 19,011.38-26,235.78-10,627.88

Finding the Fourth Proportional to 19,011.38, 26,235.78 and 10,627.88

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Solution

The fourth proportional to 19,011.38, 26,235.78 and 10,627.88 is: 14,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.38 : 26,235.78 = 10,627.88 : x
  2. Step 2: Convert to fraction form
    19,011.38/26,235.78 = 10,627.88/x
  3. Step 3: Cross multiply
    19,011.38x = 26,235.78 × 10,627.88
  4. Step 4: Simplify right side
    19,011.38x = 278,830,721.55
  5. Step 5: Solve for x
    x = 278,830,721.55/19,011.38
  6. Step 6: Final answer
    x = 14,666.52

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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.