Home / 10,373.79-14,311.74-6,387.99

Finding the Fourth Proportional to 10,373.79, 14,311.74 and 6,387.99

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Solution

The fourth proportional to 10,373.79, 14,311.74 and 6,387.99 is: 8,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.79 : 14,311.74 = 6,387.99 : x
  2. Step 2: Convert to fraction form
    10,373.79/14,311.74 = 6,387.99/x
  3. Step 3: Cross multiply
    10,373.79x = 14,311.74 × 6,387.99
  4. Step 4: Simplify right side
    10,373.79x = 91,423,252.00
  5. Step 5: Solve for x
    x = 91,423,252.00/10,373.79
  6. Step 6: Final answer
    x = 8,812.91

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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.