Home / 9,435.24-13,019.40-5,242.68

Finding the Fourth Proportional to 9,435.24, 13,019.40 and 5,242.68

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Solution

The fourth proportional to 9,435.24, 13,019.40 and 5,242.68 is: 7,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.24 : 13,019.40 = 5,242.68 : x
  2. Step 2: Convert to fraction form
    9,435.24/13,019.40 = 5,242.68/x
  3. Step 3: Cross multiply
    9,435.24x = 13,019.40 × 5,242.68
  4. Step 4: Simplify right side
    9,435.24x = 68,256,547.99
  5. Step 5: Solve for x
    x = 68,256,547.99/9,435.24
  6. Step 6: Final answer
    x = 7,234.21

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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.