Home / 12,313.08-18,465.66-5,291.18

Finding the Fourth Proportional to 12,313.08, 18,465.66 and 5,291.18

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Solution

The fourth proportional to 12,313.08, 18,465.66 and 5,291.18 is: 7,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.08 : 18,465.66 = 5,291.18 : x
  2. Step 2: Convert to fraction form
    12,313.08/18,465.66 = 5,291.18/x
  3. Step 3: Cross multiply
    12,313.08x = 18,465.66 × 5,291.18
  4. Step 4: Simplify right side
    12,313.08x = 97,705,130.88
  5. Step 5: Solve for x
    x = 97,705,130.88/12,313.08
  6. Step 6: Final answer
    x = 7,935.07

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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.