Home / 14,605.16-20,156.70-8,943.72

Finding the Fourth Proportional to 14,605.16, 20,156.70 and 8,943.72

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Solution

The fourth proportional to 14,605.16, 20,156.70 and 8,943.72 is: 12,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.16 : 20,156.70 = 8,943.72 : x
  2. Step 2: Convert to fraction form
    14,605.16/20,156.70 = 8,943.72/x
  3. Step 3: Cross multiply
    14,605.16x = 20,156.70 × 8,943.72
  4. Step 4: Simplify right side
    14,605.16x = 180,275,880.92
  5. Step 5: Solve for x
    x = 180,275,880.92/14,605.16
  6. Step 6: Final answer
    x = 12,343.30

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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.