Home / 12,711.24-19,064.52-5,313.74

Finding the Fourth Proportional to 12,711.24, 19,064.52 and 5,313.74

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Solution

The fourth proportional to 12,711.24, 19,064.52 and 5,313.74 is: 7,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.24 : 19,064.52 = 5,313.74 : x
  2. Step 2: Convert to fraction form
    12,711.24/19,064.52 = 5,313.74/x
  3. Step 3: Cross multiply
    12,711.24x = 19,064.52 × 5,313.74
  4. Step 4: Simplify right side
    12,711.24x = 101,303,807.18
  5. Step 5: Solve for x
    x = 101,303,807.18/12,711.24
  6. Step 6: Final answer
    x = 7,969.62

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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.