Home / 19,248.03-28,823.85-12,206.70

Finding the Fourth Proportional to 19,248.03, 28,823.85 and 12,206.70

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Solution

The fourth proportional to 19,248.03, 28,823.85 and 12,206.70 is: 18,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.03 : 28,823.85 = 12,206.70 : x
  2. Step 2: Convert to fraction form
    19,248.03/28,823.85 = 12,206.70/x
  3. Step 3: Cross multiply
    19,248.03x = 28,823.85 × 12,206.70
  4. Step 4: Simplify right side
    19,248.03x = 351,844,089.80
  5. Step 5: Solve for x
    x = 351,844,089.80/19,248.03
  6. Step 6: Final answer
    x = 18,279.49

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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.