Home / 13,514.16-20,281.68-6,946.08

Finding the Fourth Proportional to 13,514.16, 20,281.68 and 6,946.08

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Solution

The fourth proportional to 13,514.16, 20,281.68 and 6,946.08 is: 10,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.16 : 20,281.68 = 6,946.08 : x
  2. Step 2: Convert to fraction form
    13,514.16/20,281.68 = 6,946.08/x
  3. Step 3: Cross multiply
    13,514.16x = 20,281.68 × 6,946.08
  4. Step 4: Simplify right side
    13,514.16x = 140,878,171.81
  5. Step 5: Solve for x
    x = 140,878,171.81/13,514.16
  6. Step 6: Final answer
    x = 10,424.49

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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.