Home / 14,423.42-19,905.72-8,756.86

Finding the Fourth Proportional to 14,423.42, 19,905.72 and 8,756.86

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Solution

The fourth proportional to 14,423.42, 19,905.72 and 8,756.86 is: 12,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.42 : 19,905.72 = 8,756.86 : x
  2. Step 2: Convert to fraction form
    14,423.42/19,905.72 = 8,756.86/x
  3. Step 3: Cross multiply
    14,423.42x = 19,905.72 × 8,756.86
  4. Step 4: Simplify right side
    14,423.42x = 174,311,603.24
  5. Step 5: Solve for x
    x = 174,311,603.24/14,423.42
  6. Step 6: Final answer
    x = 12,085.32

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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.