Home / 19,298.66-28,946.87-7,450.12

Finding the Fourth Proportional to 19,298.66, 28,946.87 and 7,450.12

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Solution

The fourth proportional to 19,298.66, 28,946.87 and 7,450.12 is: 11,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.66 : 28,946.87 = 7,450.12 : x
  2. Step 2: Convert to fraction form
    19,298.66/28,946.87 = 7,450.12/x
  3. Step 3: Cross multiply
    19,298.66x = 28,946.87 × 7,450.12
  4. Step 4: Simplify right side
    19,298.66x = 215,657,510.39
  5. Step 5: Solve for x
    x = 215,657,510.39/19,298.66
  6. Step 6: Final answer
    x = 11,174.74

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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.