Home / 14,945.76-22,423.50-12,470.40

Finding the Fourth Proportional to 14,945.76, 22,423.50 and 12,470.40

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Solution

The fourth proportional to 14,945.76, 22,423.50 and 12,470.40 is: 18,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.76 : 22,423.50 = 12,470.40 : x
  2. Step 2: Convert to fraction form
    14,945.76/22,423.50 = 12,470.40/x
  3. Step 3: Cross multiply
    14,945.76x = 22,423.50 × 12,470.40
  4. Step 4: Simplify right side
    14,945.76x = 279,630,014.40
  5. Step 5: Solve for x
    x = 279,630,014.40/14,945.76
  6. Step 6: Final answer
    x = 18,709.66

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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.