Home / 14,210.32-21,315.48-5,445.25

Finding the Fourth Proportional to 14,210.32, 21,315.48 and 5,445.25

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Solution

The fourth proportional to 14,210.32, 21,315.48 and 5,445.25 is: 8,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.32 : 21,315.48 = 5,445.25 : x
  2. Step 2: Convert to fraction form
    14,210.32/21,315.48 = 5,445.25/x
  3. Step 3: Cross multiply
    14,210.32x = 21,315.48 × 5,445.25
  4. Step 4: Simplify right side
    14,210.32x = 116,068,117.47
  5. Step 5: Solve for x
    x = 116,068,117.47/14,210.32
  6. Step 6: Final answer
    x = 8,167.88

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Double scale
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Similar ratio
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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.