Home / 10,438.99-15,619.24-7,325.07

Finding the Fourth Proportional to 10,438.99, 15,619.24 and 7,325.07

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Solution

The fourth proportional to 10,438.99, 15,619.24 and 7,325.07 is: 10,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.99 : 15,619.24 = 7,325.07 : x
  2. Step 2: Convert to fraction form
    10,438.99/15,619.24 = 7,325.07/x
  3. Step 3: Cross multiply
    10,438.99x = 15,619.24 × 7,325.07
  4. Step 4: Simplify right side
    10,438.99x = 114,411,948.25
  5. Step 5: Solve for x
    x = 114,411,948.25/10,438.99
  6. Step 6: Final answer
    x = 10,960.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.