Home / 19,011.78-26,235.76-10,397.64

Finding the Fourth Proportional to 19,011.78, 26,235.76 and 10,397.64

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Solution

The fourth proportional to 19,011.78, 26,235.76 and 10,397.64 is: 14,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.78 : 26,235.76 = 10,397.64 : x
  2. Step 2: Convert to fraction form
    19,011.78/26,235.76 = 10,397.64/x
  3. Step 3: Cross multiply
    19,011.78x = 26,235.76 × 10,397.64
  4. Step 4: Simplify right side
    19,011.78x = 272,789,987.61
  5. Step 5: Solve for x
    x = 272,789,987.61/19,011.78
  6. Step 6: Final answer
    x = 14,348.47

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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.