Home / 19,017.29-28,534.83-8,486.21

Finding the Fourth Proportional to 19,017.29, 28,534.83 and 8,486.21

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Solution

The fourth proportional to 19,017.29, 28,534.83 and 8,486.21 is: 12,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.29 : 28,534.83 = 8,486.21 : x
  2. Step 2: Convert to fraction form
    19,017.29/28,534.83 = 8,486.21/x
  3. Step 3: Cross multiply
    19,017.29x = 28,534.83 × 8,486.21
  4. Step 4: Simplify right side
    19,017.29x = 242,152,417.02
  5. Step 5: Solve for x
    x = 242,152,417.02/19,017.29
  6. Step 6: Final answer
    x = 12,733.28

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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.