Home / 9,515.04-13,130.62-5,323.29

Finding the Fourth Proportional to 9,515.04, 13,130.62 and 5,323.29

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Solution

The fourth proportional to 9,515.04, 13,130.62 and 5,323.29 is: 7,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.04 : 13,130.62 = 5,323.29 : x
  2. Step 2: Convert to fraction form
    9,515.04/13,130.62 = 5,323.29/x
  3. Step 3: Cross multiply
    9,515.04x = 13,130.62 × 5,323.29
  4. Step 4: Simplify right side
    9,515.04x = 69,898,098.14
  5. Step 5: Solve for x
    x = 69,898,098.14/9,515.04
  6. Step 6: Final answer
    x = 7,346.06

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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.