Home / 15,401.83-21,254.52-8,328.25

Finding the Fourth Proportional to 15,401.83, 21,254.52 and 8,328.25

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Solution

The fourth proportional to 15,401.83, 21,254.52 and 8,328.25 is: 11,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.83 : 21,254.52 = 8,328.25 : x
  2. Step 2: Convert to fraction form
    15,401.83/21,254.52 = 8,328.25/x
  3. Step 3: Cross multiply
    15,401.83x = 21,254.52 × 8,328.25
  4. Step 4: Simplify right side
    15,401.83x = 177,012,956.19
  5. Step 5: Solve for x
    x = 177,012,956.19/15,401.83
  6. Step 6: Final answer
    x = 11,492.98

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.