Home / 16,440.98-22,688.13-8,988.50

Finding the Fourth Proportional to 16,440.98, 22,688.13 and 8,988.50

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Solution

The fourth proportional to 16,440.98, 22,688.13 and 8,988.50 is: 12,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.98 : 22,688.13 = 8,988.50 : x
  2. Step 2: Convert to fraction form
    16,440.98/22,688.13 = 8,988.50/x
  3. Step 3: Cross multiply
    16,440.98x = 22,688.13 × 8,988.50
  4. Step 4: Simplify right side
    16,440.98x = 203,932,256.51
  5. Step 5: Solve for x
    x = 203,932,256.51/16,440.98
  6. Step 6: Final answer
    x = 12,403.90

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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.