Home / 25,178.49-37,777.96-12,702.13

Finding the Fourth Proportional to 25,178.49, 37,777.96 and 12,702.13

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Solution

The fourth proportional to 25,178.49, 37,777.96 and 12,702.13 is: 19,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.49 : 37,777.96 = 12,702.13 : x
  2. Step 2: Convert to fraction form
    25,178.49/37,777.96 = 12,702.13/x
  3. Step 3: Cross multiply
    25,178.49x = 37,777.96 × 12,702.13
  4. Step 4: Simplify right side
    25,178.49x = 479,860,559.05
  5. Step 5: Solve for x
    x = 479,860,559.05/25,178.49
  6. Step 6: Final answer
    x = 19,058.35

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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.