Home / 13,492.34-18,625.50-9,900.95

Finding the Fourth Proportional to 13,492.34, 18,625.50 and 9,900.95

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Solution

The fourth proportional to 13,492.34, 18,625.50 and 9,900.95 is: 13,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.34 : 18,625.50 = 9,900.95 : x
  2. Step 2: Convert to fraction form
    13,492.34/18,625.50 = 9,900.95/x
  3. Step 3: Cross multiply
    13,492.34x = 18,625.50 × 9,900.95
  4. Step 4: Simplify right side
    13,492.34x = 184,410,051.10
  5. Step 5: Solve for x
    x = 184,410,051.10/13,492.34
  6. Step 6: Final answer
    x = 13,667.76

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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.