Home / 19,239.63-28,886.30-9,887.58

Finding the Fourth Proportional to 19,239.63, 28,886.30 and 9,887.58

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Solution

The fourth proportional to 19,239.63, 28,886.30 and 9,887.58 is: 14,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.63 : 28,886.30 = 9,887.58 : x
  2. Step 2: Convert to fraction form
    19,239.63/28,886.30 = 9,887.58/x
  3. Step 3: Cross multiply
    19,239.63x = 28,886.30 × 9,887.58
  4. Step 4: Simplify right side
    19,239.63x = 285,615,552.72
  5. Step 5: Solve for x
    x = 285,615,552.72/19,239.63
  6. Step 6: Final answer
    x = 14,845.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.