Home / 12,293.56-16,964.40-7,579.36

Finding the Fourth Proportional to 12,293.56, 16,964.40 and 7,579.36

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Solution

The fourth proportional to 12,293.56, 16,964.40 and 7,579.36 is: 10,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.56 : 16,964.40 = 7,579.36 : x
  2. Step 2: Convert to fraction form
    12,293.56/16,964.40 = 7,579.36/x
  3. Step 3: Cross multiply
    12,293.56x = 16,964.40 × 7,579.36
  4. Step 4: Simplify right side
    12,293.56x = 128,579,294.78
  5. Step 5: Solve for x
    x = 128,579,294.78/12,293.56
  6. Step 6: Final answer
    x = 10,459.08

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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.