Home / 16,022.89-22,111.46-9,312.45

Finding the Fourth Proportional to 16,022.89, 22,111.46 and 9,312.45

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Solution

The fourth proportional to 16,022.89, 22,111.46 and 9,312.45 is: 12,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,022.89 : 22,111.46 = 9,312.45 : x
  2. Step 2: Convert to fraction form
    16,022.89/22,111.46 = 9,312.45/x
  3. Step 3: Cross multiply
    16,022.89x = 22,111.46 × 9,312.45
  4. Step 4: Simplify right side
    16,022.89x = 205,911,755.12
  5. Step 5: Solve for x
    x = 205,911,755.12/16,022.89
  6. Step 6: Final answer
    x = 12,851.10

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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.