Home / 21,746.19-32,625.78-12,505.71

Finding the Fourth Proportional to 21,746.19, 32,625.78 and 12,505.71

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Solution

The fourth proportional to 21,746.19, 32,625.78 and 12,505.71 is: 18,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.19 : 32,625.78 = 12,505.71 : x
  2. Step 2: Convert to fraction form
    21,746.19/32,625.78 = 12,505.71/x
  3. Step 3: Cross multiply
    21,746.19x = 32,625.78 × 12,505.71
  4. Step 4: Simplify right side
    21,746.19x = 408,008,543.20
  5. Step 5: Solve for x
    x = 408,008,543.20/21,746.19
  6. Step 6: Final answer
    x = 18,762.30

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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.