Home / 12,114.03-16,712.30-8,749.50

Finding the Fourth Proportional to 12,114.03, 16,712.30 and 8,749.50

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Solution

The fourth proportional to 12,114.03, 16,712.30 and 8,749.50 is: 12,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.03 : 16,712.30 = 8,749.50 : x
  2. Step 2: Convert to fraction form
    12,114.03/16,712.30 = 8,749.50/x
  3. Step 3: Cross multiply
    12,114.03x = 16,712.30 × 8,749.50
  4. Step 4: Simplify right side
    12,114.03x = 146,224,225.10
  5. Step 5: Solve for x
    x = 146,224,225.10/12,114.03
  6. Step 6: Final answer
    x = 12,070.65

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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.