Home / 19,434.08-26,819.52-11,259.20

Finding the Fourth Proportional to 19,434.08, 26,819.52 and 11,259.20

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Solution

The fourth proportional to 19,434.08, 26,819.52 and 11,259.20 is: 15,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.08 : 26,819.52 = 11,259.20 : x
  2. Step 2: Convert to fraction form
    19,434.08/26,819.52 = 11,259.20/x
  3. Step 3: Cross multiply
    19,434.08x = 26,819.52 × 11,259.20
  4. Step 4: Simplify right side
    19,434.08x = 301,966,339.58
  5. Step 5: Solve for x
    x = 301,966,339.58/19,434.08
  6. Step 6: Final answer
    x = 15,537.98

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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.