Home / 21,618.50-32,410.13-14,510.06

Finding the Fourth Proportional to 21,618.50, 32,410.13 and 14,510.06

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Solution

The fourth proportional to 21,618.50, 32,410.13 and 14,510.06 is: 21,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.50 : 32,410.13 = 14,510.06 : x
  2. Step 2: Convert to fraction form
    21,618.50/32,410.13 = 14,510.06/x
  3. Step 3: Cross multiply
    21,618.50x = 32,410.13 × 14,510.06
  4. Step 4: Simplify right side
    21,618.50x = 470,273,048.21
  5. Step 5: Solve for x
    x = 470,273,048.21/21,618.50
  6. Step 6: Final answer
    x = 21,753.27

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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.