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Finding the Fourth Proportional to 15,997.99, 24,118.81 and 14,870.47

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Solution

The fourth proportional to 15,997.99, 24,118.81 and 14,870.47 is: 22,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.99 : 24,118.81 = 14,870.47 : x
  2. Step 2: Convert to fraction form
    15,997.99/24,118.81 = 14,870.47/x
  3. Step 3: Cross multiply
    15,997.99x = 24,118.81 × 14,870.47
  4. Step 4: Simplify right side
    15,997.99x = 358,658,040.54
  5. Step 5: Solve for x
    x = 358,658,040.54/15,997.99
  6. Step 6: Final answer
    x = 22,418.94

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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.