Home / 14,284.32-21,398.58-9,841.20

Finding the Fourth Proportional to 14,284.32, 21,398.58 and 9,841.20

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Solution

The fourth proportional to 14,284.32, 21,398.58 and 9,841.20 is: 14,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.32 : 21,398.58 = 9,841.20 : x
  2. Step 2: Convert to fraction form
    14,284.32/21,398.58 = 9,841.20/x
  3. Step 3: Cross multiply
    14,284.32x = 21,398.58 × 9,841.20
  4. Step 4: Simplify right side
    14,284.32x = 210,587,705.50
  5. Step 5: Solve for x
    x = 210,587,705.50/14,284.32
  6. Step 6: Final answer
    x = 14,742.58

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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.