Home / 13,529.36-18,650.66-8,748.95

Finding the Fourth Proportional to 13,529.36, 18,650.66 and 8,748.95

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Solution

The fourth proportional to 13,529.36, 18,650.66 and 8,748.95 is: 12,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.36 : 18,650.66 = 8,748.95 : x
  2. Step 2: Convert to fraction form
    13,529.36/18,650.66 = 8,748.95/x
  3. Step 3: Cross multiply
    13,529.36x = 18,650.66 × 8,748.95
  4. Step 4: Simplify right side
    13,529.36x = 163,173,554.81
  5. Step 5: Solve for x
    x = 163,173,554.81/13,529.36
  6. Step 6: Final answer
    x = 12,060.70

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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.