Home / 15,694.02-23,649.00-12,981.74

Finding the Fourth Proportional to 15,694.02, 23,649.00 and 12,981.74

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Solution

The fourth proportional to 15,694.02, 23,649.00 and 12,981.74 is: 19,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.02 : 23,649.00 = 12,981.74 : x
  2. Step 2: Convert to fraction form
    15,694.02/23,649.00 = 12,981.74/x
  3. Step 3: Cross multiply
    15,694.02x = 23,649.00 × 12,981.74
  4. Step 4: Simplify right side
    15,694.02x = 307,005,002.33
  5. Step 5: Solve for x
    x = 307,005,002.33/15,694.02
  6. Step 6: Final answer
    x = 19,561.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.