Home / 10,428.50-14,389.09-6,180.89

Finding the Fourth Proportional to 10,428.50, 14,389.09 and 6,180.89

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Solution

The fourth proportional to 10,428.50, 14,389.09 and 6,180.89 is: 8,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.50 : 14,389.09 = 6,180.89 : x
  2. Step 2: Convert to fraction form
    10,428.50/14,389.09 = 6,180.89/x
  3. Step 3: Cross multiply
    10,428.50x = 14,389.09 × 6,180.89
  4. Step 4: Simplify right side
    10,428.50x = 88,937,382.49
  5. Step 5: Solve for x
    x = 88,937,382.49/10,428.50
  6. Step 6: Final answer
    x = 8,528.30

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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.