Home / 9,498.60-14,214.30-8,279.40

Finding the Fourth Proportional to 9,498.60, 14,214.30 and 8,279.40

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Solution

The fourth proportional to 9,498.60, 14,214.30 and 8,279.40 is: 12,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,498.60 : 14,214.30 = 8,279.40 : x
  2. Step 2: Convert to fraction form
    9,498.60/14,214.30 = 8,279.40/x
  3. Step 3: Cross multiply
    9,498.60x = 14,214.30 × 8,279.40
  4. Step 4: Simplify right side
    9,498.60x = 117,685,875.42
  5. Step 5: Solve for x
    x = 117,685,875.42/9,498.60
  6. Step 6: Final answer
    x = 12,389.81

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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.