Home / 16,518.98-22,781.12-10,851.45

Finding the Fourth Proportional to 16,518.98, 22,781.12 and 10,851.45

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Solution

The fourth proportional to 16,518.98, 22,781.12 and 10,851.45 is: 14,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.98 : 22,781.12 = 10,851.45 : x
  2. Step 2: Convert to fraction form
    16,518.98/22,781.12 = 10,851.45/x
  3. Step 3: Cross multiply
    16,518.98x = 22,781.12 × 10,851.45
  4. Step 4: Simplify right side
    16,518.98x = 247,208,130.37
  5. Step 5: Solve for x
    x = 247,208,130.37/16,518.98
  6. Step 6: Final answer
    x = 14,965.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.