Home / 11,746.56-16,207.68-7,970.40

Finding the Fourth Proportional to 11,746.56, 16,207.68 and 7,970.40

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Solution

The fourth proportional to 11,746.56, 16,207.68 and 7,970.40 is: 10,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.56 : 16,207.68 = 7,970.40 : x
  2. Step 2: Convert to fraction form
    11,746.56/16,207.68 = 7,970.40/x
  3. Step 3: Cross multiply
    11,746.56x = 16,207.68 × 7,970.40
  4. Step 4: Simplify right side
    11,746.56x = 129,181,692.67
  5. Step 5: Solve for x
    x = 129,181,692.67/11,746.56
  6. Step 6: Final answer
    x = 10,997.41

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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.