Home / 16,120.34-24,178.79-9,869.45

Finding the Fourth Proportional to 16,120.34, 24,178.79 and 9,869.45

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Solution

The fourth proportional to 16,120.34, 24,178.79 and 9,869.45 is: 14,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.34 : 24,178.79 = 9,869.45 : x
  2. Step 2: Convert to fraction form
    16,120.34/24,178.79 = 9,869.45/x
  3. Step 3: Cross multiply
    16,120.34x = 24,178.79 × 9,869.45
  4. Step 4: Simplify right side
    16,120.34x = 238,631,411.24
  5. Step 5: Solve for x
    x = 238,631,411.24/16,120.34
  6. Step 6: Final answer
    x = 14,803.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.