Home / 21,418.02-32,117.72-10,176.62

Finding the Fourth Proportional to 21,418.02, 32,117.72 and 10,176.62

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Solution

The fourth proportional to 21,418.02, 32,117.72 and 10,176.62 is: 15,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.02 : 32,117.72 = 10,176.62 : x
  2. Step 2: Convert to fraction form
    21,418.02/32,117.72 = 10,176.62/x
  3. Step 3: Cross multiply
    21,418.02x = 32,117.72 × 10,176.62
  4. Step 4: Simplify right side
    21,418.02x = 326,849,620.23
  5. Step 5: Solve for x
    x = 326,849,620.23/21,418.02
  6. Step 6: Final answer
    x = 15,260.50

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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.