Home / 10,491.48-14,478.23-5,775.75

Finding the Fourth Proportional to 10,491.48, 14,478.23 and 5,775.75

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Solution

The fourth proportional to 10,491.48, 14,478.23 and 5,775.75 is: 7,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.48 : 14,478.23 = 5,775.75 : x
  2. Step 2: Convert to fraction form
    10,491.48/14,478.23 = 5,775.75/x
  3. Step 3: Cross multiply
    10,491.48x = 14,478.23 × 5,775.75
  4. Step 4: Simplify right side
    10,491.48x = 83,622,651.36
  5. Step 5: Solve for x
    x = 83,622,651.36/10,491.48
  6. Step 6: Final answer
    x = 7,970.53

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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.