Home / 9,439.64-13,023.59-5,457.93

Finding the Fourth Proportional to 9,439.64, 13,023.59 and 5,457.93

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Solution

The fourth proportional to 9,439.64, 13,023.59 and 5,457.93 is: 7,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.64 : 13,023.59 = 5,457.93 : x
  2. Step 2: Convert to fraction form
    9,439.64/13,023.59 = 5,457.93/x
  3. Step 3: Cross multiply
    9,439.64x = 13,023.59 × 5,457.93
  4. Step 4: Simplify right side
    9,439.64x = 71,081,839.70
  5. Step 5: Solve for x
    x = 71,081,839.70/9,439.64
  6. Step 6: Final answer
    x = 7,530.14

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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.