Home / 15,625.56-21,563.25-8,551.98

Finding the Fourth Proportional to 15,625.56, 21,563.25 and 8,551.98

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Solution

The fourth proportional to 15,625.56, 21,563.25 and 8,551.98 is: 11,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.56 : 21,563.25 = 8,551.98 : x
  2. Step 2: Convert to fraction form
    15,625.56/21,563.25 = 8,551.98/x
  3. Step 3: Cross multiply
    15,625.56x = 21,563.25 × 8,551.98
  4. Step 4: Simplify right side
    15,625.56x = 184,408,482.74
  5. Step 5: Solve for x
    x = 184,408,482.74/15,625.56
  6. Step 6: Final answer
    x = 11,801.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.