Home / 19,946.60-29,936.10-19,298.60

Finding the Fourth Proportional to 19,946.60, 29,936.10 and 19,298.60

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Solution

The fourth proportional to 19,946.60, 29,936.10 and 19,298.60 is: 28,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.60 : 29,936.10 = 19,298.60 : x
  2. Step 2: Convert to fraction form
    19,946.60/29,936.10 = 19,298.60/x
  3. Step 3: Cross multiply
    19,946.60x = 29,936.10 × 19,298.60
  4. Step 4: Simplify right side
    19,946.60x = 577,724,819.46
  5. Step 5: Solve for x
    x = 577,724,819.46/19,946.60
  6. Step 6: Final answer
    x = 28,963.57

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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.