Home / 19,200.75-26,498.70-10,818.87

Finding the Fourth Proportional to 19,200.75, 26,498.70 and 10,818.87

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Solution

The fourth proportional to 19,200.75, 26,498.70 and 10,818.87 is: 14,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.75 : 26,498.70 = 10,818.87 : x
  2. Step 2: Convert to fraction form
    19,200.75/26,498.70 = 10,818.87/x
  3. Step 3: Cross multiply
    19,200.75x = 26,498.70 × 10,818.87
  4. Step 4: Simplify right side
    19,200.75x = 286,685,990.47
  5. Step 5: Solve for x
    x = 286,685,990.47/19,200.75
  6. Step 6: Final answer
    x = 14,930.98

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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.