Home / 21,670.18-32,460.91-14,990.11

Finding the Fourth Proportional to 21,670.18, 32,460.91 and 14,990.11

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Solution

The fourth proportional to 21,670.18, 32,460.91 and 14,990.11 is: 22,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.18 : 32,460.91 = 14,990.11 : x
  2. Step 2: Convert to fraction form
    21,670.18/32,460.91 = 14,990.11/x
  3. Step 3: Cross multiply
    21,670.18x = 32,460.91 × 14,990.11
  4. Step 4: Simplify right side
    21,670.18x = 486,592,611.60
  5. Step 5: Solve for x
    x = 486,592,611.60/21,670.18
  6. Step 6: Final answer
    x = 22,454.48

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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.