Home / 19,017.90-28,543.05-8,504.10

Finding the Fourth Proportional to 19,017.90, 28,543.05 and 8,504.10

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Solution

The fourth proportional to 19,017.90, 28,543.05 and 8,504.10 is: 12,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.90 : 28,543.05 = 8,504.10 : x
  2. Step 2: Convert to fraction form
    19,017.90/28,543.05 = 8,504.10/x
  3. Step 3: Cross multiply
    19,017.90x = 28,543.05 × 8,504.10
  4. Step 4: Simplify right side
    19,017.90x = 242,732,951.51
  5. Step 5: Solve for x
    x = 242,732,951.51/19,017.90
  6. Step 6: Final answer
    x = 12,763.39

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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.