Home / 12,548.21-17,316.01-7,509.46

Finding the Fourth Proportional to 12,548.21, 17,316.01 and 7,509.46

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Solution

The fourth proportional to 12,548.21, 17,316.01 and 7,509.46 is: 10,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.21 : 17,316.01 = 7,509.46 : x
  2. Step 2: Convert to fraction form
    12,548.21/17,316.01 = 7,509.46/x
  3. Step 3: Cross multiply
    12,548.21x = 17,316.01 × 7,509.46
  4. Step 4: Simplify right side
    12,548.21x = 130,033,797.87
  5. Step 5: Solve for x
    x = 130,033,797.87/12,548.21
  6. Step 6: Final answer
    x = 10,362.74

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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.