Home / 10,700.10-14,769.81-6,453.54

Finding the Fourth Proportional to 10,700.10, 14,769.81 and 6,453.54

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Solution

The fourth proportional to 10,700.10, 14,769.81 and 6,453.54 is: 8,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.10 : 14,769.81 = 6,453.54 : x
  2. Step 2: Convert to fraction form
    10,700.10/14,769.81 = 6,453.54/x
  3. Step 3: Cross multiply
    10,700.10x = 14,769.81 × 6,453.54
  4. Step 4: Simplify right side
    10,700.10x = 95,317,559.63
  5. Step 5: Solve for x
    x = 95,317,559.63/10,700.10
  6. Step 6: Final answer
    x = 8,908.10

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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.