Home / 9,011.54-13,507.74-5,315.51

Finding the Fourth Proportional to 9,011.54, 13,507.74 and 5,315.51

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Solution

The fourth proportional to 9,011.54, 13,507.74 and 5,315.51 is: 7,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.54 : 13,507.74 = 5,315.51 : x
  2. Step 2: Convert to fraction form
    9,011.54/13,507.74 = 5,315.51/x
  3. Step 3: Cross multiply
    9,011.54x = 13,507.74 × 5,315.51
  4. Step 4: Simplify right side
    9,011.54x = 71,800,459.51
  5. Step 5: Solve for x
    x = 71,800,459.51/9,011.54
  6. Step 6: Final answer
    x = 7,967.62

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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.