Home / 14,670.40-22,005.60-9,158.80

Finding the Fourth Proportional to 14,670.40, 22,005.60 and 9,158.80

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Solution

The fourth proportional to 14,670.40, 22,005.60 and 9,158.80 is: 13,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.40 : 22,005.60 = 9,158.80 : x
  2. Step 2: Convert to fraction form
    14,670.40/22,005.60 = 9,158.80/x
  3. Step 3: Cross multiply
    14,670.40x = 22,005.60 × 9,158.80
  4. Step 4: Simplify right side
    14,670.40x = 201,544,889.28
  5. Step 5: Solve for x
    x = 201,544,889.28/14,670.40
  6. Step 6: Final answer
    x = 13,738.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.