Home / 12,783.48-19,177.20-4,017.57

Finding the Fourth Proportional to 12,783.48, 19,177.20 and 4,017.57

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Solution

The fourth proportional to 12,783.48, 19,177.20 and 4,017.57 is: 6,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783.48 : 19,177.20 = 4,017.57 : x
  2. Step 2: Convert to fraction form
    12,783.48/19,177.20 = 4,017.57/x
  3. Step 3: Cross multiply
    12,783.48x = 19,177.20 × 4,017.57
  4. Step 4: Simplify right side
    12,783.48x = 77,045,743.40
  5. Step 5: Solve for x
    x = 77,045,743.40/12,783.48
  6. Step 6: Final answer
    x = 6,026.98

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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.